Home / 147,179.42-220,802.03-53,685.17

Finding the Fourth Proportional to 147,179.42, 220,802.03 and 53,685.17

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Solution

The fourth proportional to 147,179.42, 220,802.03 and 53,685.17 is: 80,539.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,179.42 : 220,802.03 = 53,685.17 : x
  2. Step 2: Convert to fraction form
    147,179.42/220,802.03 = 53,685.17/x
  3. Step 3: Cross multiply
    147,179.42x = 220,802.03 × 53,685.17
  4. Step 4: Simplify right side
    147,179.42x = 11,853,794,516.90
  5. Step 5: Solve for x
    x = 11,853,794,516.90/147,179.42
  6. Step 6: Final answer
    x = 80,539.76

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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.