Home / 118,480.27-177,751.50-42,586.47

Finding the Fourth Proportional to 118,480.27, 177,751.50 and 42,586.47

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Solution

The fourth proportional to 118,480.27, 177,751.50 and 42,586.47 is: 63,890.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,480.27 : 177,751.50 = 42,586.47 : x
  2. Step 2: Convert to fraction form
    118,480.27/177,751.50 = 42,586.47/x
  3. Step 3: Cross multiply
    118,480.27x = 177,751.50 × 42,586.47
  4. Step 4: Simplify right side
    118,480.27x = 7,569,809,192.13
  5. Step 5: Solve for x
    x = 7,569,809,192.13/118,480.27
  6. Step 6: Final answer
    x = 63,890.88

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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.