Home / 144,520.18-216,726.45-49,723.90

Finding the Fourth Proportional to 144,520.18, 216,726.45 and 49,723.90

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Solution

The fourth proportional to 144,520.18, 216,726.45 and 49,723.90 is: 74,567.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,520.18 : 216,726.45 = 49,723.90 : x
  2. Step 2: Convert to fraction form
    144,520.18/216,726.45 = 49,723.90/x
  3. Step 3: Cross multiply
    144,520.18x = 216,726.45 × 49,723.90
  4. Step 4: Simplify right side
    144,520.18x = 10,776,484,327.16
  5. Step 5: Solve for x
    x = 10,776,484,327.16/144,520.18
  6. Step 6: Final answer
    x = 74,567.33

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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.