Home / 147,432.66-221,149.04-42,251.63

Finding the Fourth Proportional to 147,432.66, 221,149.04 and 42,251.63

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Solution

The fourth proportional to 147,432.66, 221,149.04 and 42,251.63 is: 63,377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,432.66 : 221,149.04 = 42,251.63 : x
  2. Step 2: Convert to fraction form
    147,432.66/221,149.04 = 42,251.63/x
  3. Step 3: Cross multiply
    147,432.66x = 221,149.04 × 42,251.63
  4. Step 4: Simplify right side
    147,432.66x = 9,343,906,095.93
  5. Step 5: Solve for x
    x = 9,343,906,095.93/147,432.66
  6. Step 6: Final answer
    x = 63,377.45

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1.5x scale

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.