Home / 581,151.28-871,777.08-160,427.20

Finding the Fourth Proportional to 581,151.28, 871,777.08 and 160,427.20

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Solution

The fourth proportional to 581,151.28, 871,777.08 and 160,427.20 is: 240,654.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,151.28 : 871,777.08 = 160,427.20 : x
  2. Step 2: Convert to fraction form
    581,151.28/871,777.08 = 160,427.20/x
  3. Step 3: Cross multiply
    581,151.28x = 871,777.08 × 160,427.20
  4. Step 4: Simplify right side
    581,151.28x = 139,856,755,968.58
  5. Step 5: Solve for x
    x = 139,856,755,968.58/581,151.28
  6. Step 6: Final answer
    x = 240,654.65

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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.