Home / 147,511.60-221,285.76-42,332.56

Finding the Fourth Proportional to 147,511.60, 221,285.76 and 42,332.56

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Solution

The fourth proportional to 147,511.60, 221,285.76 and 42,332.56 is: 63,504.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,511.60 : 221,285.76 = 42,332.56 : x
  2. Step 2: Convert to fraction form
    147,511.60/221,285.76 = 42,332.56/x
  3. Step 3: Cross multiply
    147,511.60x = 221,285.76 × 42,332.56
  4. Step 4: Simplify right side
    147,511.60x = 9,367,592,712.35
  5. Step 5: Solve for x
    x = 9,367,592,712.35/147,511.60
  6. Step 6: Final answer
    x = 63,504.11

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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.