Home / 126,251.74-174,232.56-72,553.60

Finding the Fourth Proportional to 126,251.74, 174,232.56 and 72,553.60

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Solution

The fourth proportional to 126,251.74, 174,232.56 and 72,553.60 is: 100,126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,251.74 : 174,232.56 = 72,553.60 : x
  2. Step 2: Convert to fraction form
    126,251.74/174,232.56 = 72,553.60/x
  3. Step 3: Cross multiply
    126,251.74x = 174,232.56 × 72,553.60
  4. Step 4: Simplify right side
    126,251.74x = 12,641,199,465.22
  5. Step 5: Solve for x
    x = 12,641,199,465.22/126,251.74
  6. Step 6: Final answer
    x = 100,126.93

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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.