Home / 144,545.40-216,760.64-55,742.26

Finding the Fourth Proportional to 144,545.40, 216,760.64 and 55,742.26

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Solution

The fourth proportional to 144,545.40, 216,760.64 and 55,742.26 is: 83,591.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,545.40 : 216,760.64 = 55,742.26 : x
  2. Step 2: Convert to fraction form
    144,545.40/216,760.64 = 55,742.26/x
  3. Step 3: Cross multiply
    144,545.40x = 216,760.64 × 55,742.26
  4. Step 4: Simplify right side
    144,545.40x = 12,082,727,952.65
  5. Step 5: Solve for x
    x = 12,082,727,952.65/144,545.40
  6. Step 6: Final answer
    x = 83,591.23

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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.