Home / 126,255.04-174,237.60-72,557.44

Finding the Fourth Proportional to 126,255.04, 174,237.60 and 72,557.44

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Solution

The fourth proportional to 126,255.04, 174,237.60 and 72,557.44 is: 100,132.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,255.04 : 174,237.60 = 72,557.44 : x
  2. Step 2: Convert to fraction form
    126,255.04/174,237.60 = 72,557.44/x
  3. Step 3: Cross multiply
    126,255.04x = 174,237.60 × 72,557.44
  4. Step 4: Simplify right side
    126,255.04x = 12,642,234,207.74
  5. Step 5: Solve for x
    x = 12,642,234,207.74/126,255.04
  6. Step 6: Final answer
    x = 100,132.51

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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.