Home / 487,764.46-731,572.80-132,806.44

Finding the Fourth Proportional to 487,764.46, 731,572.80 and 132,806.44

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Solution

The fourth proportional to 487,764.46, 731,572.80 and 132,806.44 is: 199,189.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,764.46 : 731,572.80 = 132,806.44 : x
  2. Step 2: Convert to fraction form
    487,764.46/731,572.80 = 132,806.44/x
  3. Step 3: Cross multiply
    487,764.46x = 731,572.80 × 132,806.44
  4. Step 4: Simplify right side
    487,764.46x = 97,157,579,168.83
  5. Step 5: Solve for x
    x = 97,157,579,168.83/487,764.46
  6. Step 6: Final answer
    x = 199,189.54

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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.