Home / 155,001.60-232,502.40-66,355.20

Finding the Fourth Proportional to 155,001.60, 232,502.40 and 66,355.20

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Solution

The fourth proportional to 155,001.60, 232,502.40 and 66,355.20 is: 99,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,001.60 : 232,502.40 = 66,355.20 : x
  2. Step 2: Convert to fraction form
    155,001.60/232,502.40 = 66,355.20/x
  3. Step 3: Cross multiply
    155,001.60x = 232,502.40 × 66,355.20
  4. Step 4: Simplify right side
    155,001.60x = 15,427,743,252.48
  5. Step 5: Solve for x
    x = 15,427,743,252.48/155,001.60
  6. Step 6: Final answer
    x = 99,532.80

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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.