Home / 161,929.20-243,104.28-124,515.54

Finding the Fourth Proportional to 161,929.20, 243,104.28 and 124,515.54

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Solution

The fourth proportional to 161,929.20, 243,104.28 and 124,515.54 is: 186,935.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,929.20 : 243,104.28 = 124,515.54 : x
  2. Step 2: Convert to fraction form
    161,929.20/243,104.28 = 124,515.54/x
  3. Step 3: Cross multiply
    161,929.20x = 243,104.28 × 124,515.54
  4. Step 4: Simplify right side
    161,929.20x = 30,270,260,700.51
  5. Step 5: Solve for x
    x = 30,270,260,700.51/161,929.20
  6. Step 6: Final answer
    x = 186,935.16

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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.