Home / 487,766.46-731,575.80-132,808.44

Finding the Fourth Proportional to 487,766.46, 731,575.80 and 132,808.44

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Solution

The fourth proportional to 487,766.46, 731,575.80 and 132,808.44 is: 199,192.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,766.46 : 731,575.80 = 132,808.44 : x
  2. Step 2: Convert to fraction form
    487,766.46/731,575.80 = 132,808.44/x
  3. Step 3: Cross multiply
    487,766.46x = 731,575.80 × 132,808.44
  4. Step 4: Simplify right side
    487,766.46x = 97,159,440,739.75
  5. Step 5: Solve for x
    x = 97,159,440,739.75/487,766.46
  6. Step 6: Final answer
    x = 199,192.54

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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.