Home / 144,519.18-216,724.95-49,722.90

Finding the Fourth Proportional to 144,519.18, 216,724.95 and 49,722.90

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Solution

The fourth proportional to 144,519.18, 216,724.95 and 49,722.90 is: 74,565.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,519.18 : 216,724.95 = 49,722.90 : x
  2. Step 2: Convert to fraction form
    144,519.18/216,724.95 = 49,722.90/x
  3. Step 3: Cross multiply
    144,519.18x = 216,724.95 × 49,722.90
  4. Step 4: Simplify right side
    144,519.18x = 10,776,193,016.36
  5. Step 5: Solve for x
    x = 10,776,193,016.36/144,519.18
  6. Step 6: Final answer
    x = 74,565.83

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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.