Home / 147,736.20-221,545.98-54,190.92

Finding the Fourth Proportional to 147,736.20, 221,545.98 and 54,190.92

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Solution

The fourth proportional to 147,736.20, 221,545.98 and 54,190.92 is: 81,264.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,736.20 : 221,545.98 = 54,190.92 : x
  2. Step 2: Convert to fraction form
    147,736.20/221,545.98 = 54,190.92/x
  3. Step 3: Cross multiply
    147,736.20x = 221,545.98 × 54,190.92
  4. Step 4: Simplify right side
    147,736.20x = 12,005,780,478.50
  5. Step 5: Solve for x
    x = 12,005,780,478.50/147,736.20
  6. Step 6: Final answer
    x = 81,264.99

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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.