Home / 231,057.28-346,561.98-156,655.36

Finding the Fourth Proportional to 231,057.28, 346,561.98 and 156,655.36

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Solution

The fourth proportional to 231,057.28, 346,561.98 and 156,655.36 is: 234,966.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,057.28 : 346,561.98 = 156,655.36 : x
  2. Step 2: Convert to fraction form
    231,057.28/346,561.98 = 156,655.36/x
  3. Step 3: Cross multiply
    231,057.28x = 346,561.98 × 156,655.36
  4. Step 4: Simplify right side
    231,057.28x = 54,290,791,739.21
  5. Step 5: Solve for x
    x = 54,290,791,739.21/231,057.28
  6. Step 6: Final answer
    x = 234,966.81

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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.