Home / 126,250.74-174,231.18-72,552.60

Finding the Fourth Proportional to 126,250.74, 174,231.18 and 72,552.60

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Solution

The fourth proportional to 126,250.74, 174,231.18 and 72,552.60 is: 100,125.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,250.74 : 174,231.18 = 72,552.60 : x
  2. Step 2: Convert to fraction form
    126,250.74/174,231.18 = 72,552.60/x
  3. Step 3: Cross multiply
    126,250.74x = 174,231.18 × 72,552.60
  4. Step 4: Simplify right side
    126,250.74x = 12,640,925,110.07
  5. Step 5: Solve for x
    x = 12,640,925,110.07/126,250.74
  6. Step 6: Final answer
    x = 100,125.55

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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.