Home / 147,545.20-221,317.80-36,737.20

Finding the Fourth Proportional to 147,545.20, 221,317.80 and 36,737.20

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Solution

The fourth proportional to 147,545.20, 221,317.80 and 36,737.20 is: 55,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,545.20 : 221,317.80 = 36,737.20 : x
  2. Step 2: Convert to fraction form
    147,545.20/221,317.80 = 36,737.20/x
  3. Step 3: Cross multiply
    147,545.20x = 221,317.80 × 36,737.20
  4. Step 4: Simplify right side
    147,545.20x = 8,130,596,282.16
  5. Step 5: Solve for x
    x = 8,130,596,282.16/147,545.20
  6. Step 6: Final answer
    x = 55,105.80

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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.