Home / 153,368.20-229,836.30-121,832.20

Finding the Fourth Proportional to 153,368.20, 229,836.30 and 121,832.20

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Solution

The fourth proportional to 153,368.20, 229,836.30 and 121,832.20 is: 182,576.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,368.20 : 229,836.30 = 121,832.20 : x
  2. Step 2: Convert to fraction form
    153,368.20/229,836.30 = 121,832.20/x
  3. Step 3: Cross multiply
    153,368.20x = 229,836.30 × 121,832.20
  4. Step 4: Simplify right side
    153,368.20x = 28,001,462,068.86
  5. Step 5: Solve for x
    x = 28,001,462,068.86/153,368.20
  6. Step 6: Final answer
    x = 182,576.71

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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.