Home / 434,291.68-651,531.12-134,765.92

Finding the Fourth Proportional to 434,291.68, 651,531.12 and 134,765.92

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Solution

The fourth proportional to 434,291.68, 651,531.12 and 134,765.92 is: 202,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,291.68 : 651,531.12 = 134,765.92 : x
  2. Step 2: Convert to fraction form
    434,291.68/651,531.12 = 134,765.92/x
  3. Step 3: Cross multiply
    434,291.68x = 651,531.12 × 134,765.92
  4. Step 4: Simplify right side
    434,291.68x = 87,804,190,795.43
  5. Step 5: Solve for x
    x = 87,804,190,795.43/434,291.68
  6. Step 6: Final answer
    x = 202,177.93

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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.