Home / 487,374.29-731,071.46-150,415.15

Finding the Fourth Proportional to 487,374.29, 731,071.46 and 150,415.15

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Solution

The fourth proportional to 487,374.29, 731,071.46 and 150,415.15 is: 225,625.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,374.29 : 731,071.46 = 150,415.15 : x
  2. Step 2: Convert to fraction form
    487,374.29/731,071.46 = 150,415.15/x
  3. Step 3: Cross multiply
    487,374.29x = 731,071.46 × 150,415.15
  4. Step 4: Simplify right side
    487,374.29x = 109,964,223,316.62
  5. Step 5: Solve for x
    x = 109,964,223,316.62/487,374.29
  6. Step 6: Final answer
    x = 225,625.82

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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.