Home / 162,024.40-243,036.60-108,880.30

Finding the Fourth Proportional to 162,024.40, 243,036.60 and 108,880.30

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Solution

The fourth proportional to 162,024.40, 243,036.60 and 108,880.30 is: 163,320.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,024.40 : 243,036.60 = 108,880.30 : x
  2. Step 2: Convert to fraction form
    162,024.40/243,036.60 = 108,880.30/x
  3. Step 3: Cross multiply
    162,024.40x = 243,036.60 × 108,880.30
  4. Step 4: Simplify right side
    162,024.40x = 26,461,897,918.98
  5. Step 5: Solve for x
    x = 26,461,897,918.98/162,024.40
  6. Step 6: Final answer
    x = 163,320.45

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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.