Home / 127,838.75-176,233.02-89,479.58

Finding the Fourth Proportional to 127,838.75, 176,233.02 and 89,479.58

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Solution

The fourth proportional to 127,838.75, 176,233.02 and 89,479.58 is: 123,352.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,838.75 : 176,233.02 = 89,479.58 : x
  2. Step 2: Convert to fraction form
    127,838.75/176,233.02 = 89,479.58/x
  3. Step 3: Cross multiply
    127,838.75x = 176,233.02 × 89,479.58
  4. Step 4: Simplify right side
    127,838.75x = 15,769,256,611.73
  5. Step 5: Solve for x
    x = 15,769,256,611.73/127,838.75
  6. Step 6: Final answer
    x = 123,352.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.