Home / 234,432.90-351,693.18-76,669.92

Finding the Fourth Proportional to 234,432.90, 351,693.18 and 76,669.92

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Solution

The fourth proportional to 234,432.90, 351,693.18 and 76,669.92 is: 115,019.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,432.90 : 351,693.18 = 76,669.92 : x
  2. Step 2: Convert to fraction form
    234,432.90/351,693.18 = 76,669.92/x
  3. Step 3: Cross multiply
    234,432.90x = 351,693.18 × 76,669.92
  4. Step 4: Simplify right side
    234,432.90x = 26,964,287,975.15
  5. Step 5: Solve for x
    x = 26,964,287,975.15/234,432.90
  6. Step 6: Final answer
    x = 115,019.21

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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.