Home / 113,776.28-157,000.38-63,478.52

Finding the Fourth Proportional to 113,776.28, 157,000.38 and 63,478.52

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Solution

The fourth proportional to 113,776.28, 157,000.38 and 63,478.52 is: 87,594.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,776.28 : 157,000.38 = 63,478.52 : x
  2. Step 2: Convert to fraction form
    113,776.28/157,000.38 = 63,478.52/x
  3. Step 3: Cross multiply
    113,776.28x = 157,000.38 × 63,478.52
  4. Step 4: Simplify right side
    113,776.28x = 9,966,151,761.84
  5. Step 5: Solve for x
    x = 9,966,151,761.84/113,776.28
  6. Step 6: Final answer
    x = 87,594.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.