Home / 147,254.40-220,363.20-134,812.80

Finding the Fourth Proportional to 147,254.40, 220,363.20 and 134,812.80

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Solution

The fourth proportional to 147,254.40, 220,363.20 and 134,812.80 is: 201,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,254.40 : 220,363.20 = 134,812.80 : x
  2. Step 2: Convert to fraction form
    147,254.40/220,363.20 = 134,812.80/x
  3. Step 3: Cross multiply
    147,254.40x = 220,363.20 × 134,812.80
  4. Step 4: Simplify right side
    147,254.40x = 29,707,780,008.96
  5. Step 5: Solve for x
    x = 29,707,780,008.96/147,254.40
  6. Step 6: Final answer
    x = 201,744.60

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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.