Home / 144,838.80-217,273.20-39,657.75

Finding the Fourth Proportional to 144,838.80, 217,273.20 and 39,657.75

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Solution

The fourth proportional to 144,838.80, 217,273.20 and 39,657.75 is: 59,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,838.80 : 217,273.20 = 39,657.75 : x
  2. Step 2: Convert to fraction form
    144,838.80/217,273.20 = 39,657.75/x
  3. Step 3: Cross multiply
    144,838.80x = 217,273.20 × 39,657.75
  4. Step 4: Simplify right side
    144,838.80x = 8,616,566,247.30
  5. Step 5: Solve for x
    x = 8,616,566,247.30/144,838.80
  6. Step 6: Final answer
    x = 59,490.73

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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.