Home / 169,154,784.60-253,732,176.90-128,844,000.60

Finding the Fourth Proportional to 169,154,784.60, 253,732,176.90 and 128,844,000.60

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Solution

The fourth proportional to 169,154,784.60, 253,732,176.90 and 128,844,000.60 is: 193,266,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,154,784.60 : 253,732,176.90 = 128,844,000.60 : x
  2. Step 2: Convert to fraction form
    169,154,784.60/253,732,176.90 = 128,844,000.60/x
  3. Step 3: Cross multiply
    169,154,784.60x = 253,732,176.90 × 128,844,000.60
  4. Step 4: Simplify right side
    169,154,784.60x = 32,691,868,752,742,904
  5. Step 5: Solve for x
    x = 32,691,868,752,742,904/169,154,784.60
  6. Step 6: Final answer
    x = 193,266,000.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.