Home / 161,256.90-241,812.45-72,464.70

Finding the Fourth Proportional to 161,256.90, 241,812.45 and 72,464.70

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Solution

The fourth proportional to 161,256.90, 241,812.45 and 72,464.70 is: 108,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,256.90 : 241,812.45 = 72,464.70 : x
  2. Step 2: Convert to fraction form
    161,256.90/241,812.45 = 72,464.70/x
  3. Step 3: Cross multiply
    161,256.90x = 241,812.45 × 72,464.70
  4. Step 4: Simplify right side
    161,256.90x = 17,522,866,645.52
  5. Step 5: Solve for x
    x = 17,522,866,645.52/161,256.90
  6. Step 6: Final answer
    x = 108,664.29

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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.