Home / 146,973.15-220,436.12-40,332.20

Finding the Fourth Proportional to 146,973.15, 220,436.12 and 40,332.20

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Solution

The fourth proportional to 146,973.15, 220,436.12 and 40,332.20 is: 60,491.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,973.15 : 220,436.12 = 40,332.20 : x
  2. Step 2: Convert to fraction form
    146,973.15/220,436.12 = 40,332.20/x
  3. Step 3: Cross multiply
    146,973.15x = 220,436.12 × 40,332.20
  4. Step 4: Simplify right side
    146,973.15x = 8,890,673,127.97
  5. Step 5: Solve for x
    x = 8,890,673,127.97/146,973.15
  6. Step 6: Final answer
    x = 60,491.82

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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.