Home / 178,459.13-267,331.80-107,342.50

Finding the Fourth Proportional to 178,459.13, 267,331.80 and 107,342.50

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Solution

The fourth proportional to 178,459.13, 267,331.80 and 107,342.50 is: 160,799.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,459.13 : 267,331.80 = 107,342.50 : x
  2. Step 2: Convert to fraction form
    178,459.13/267,331.80 = 107,342.50/x
  3. Step 3: Cross multiply
    178,459.13x = 267,331.80 × 107,342.50
  4. Step 4: Simplify right side
    178,459.13x = 28,696,063,741.50
  5. Step 5: Solve for x
    x = 28,696,063,741.50/178,459.13
  6. Step 6: Final answer
    x = 160,799.08

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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.