Home / 147,577.20-221,336.28-42,371.52

Finding the Fourth Proportional to 147,577.20, 221,336.28 and 42,371.52

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Solution

The fourth proportional to 147,577.20, 221,336.28 and 42,371.52 is: 63,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,577.20 : 221,336.28 = 42,371.52 : x
  2. Step 2: Convert to fraction form
    147,577.20/221,336.28 = 42,371.52/x
  3. Step 3: Cross multiply
    147,577.20x = 221,336.28 × 42,371.52
  4. Step 4: Simplify right side
    147,577.20x = 9,378,354,614.75
  5. Step 5: Solve for x
    x = 9,378,354,614.75/147,577.20
  6. Step 6: Final answer
    x = 63,548.80

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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.