Home / 126,841.20-175,043.32-73,117.20

Finding the Fourth Proportional to 126,841.20, 175,043.32 and 73,117.20

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Solution

The fourth proportional to 126,841.20, 175,043.32 and 73,117.20 is: 100,903.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,841.20 : 175,043.32 = 73,117.20 : x
  2. Step 2: Convert to fraction form
    126,841.20/175,043.32 = 73,117.20/x
  3. Step 3: Cross multiply
    126,841.20x = 175,043.32 × 73,117.20
  4. Step 4: Simplify right side
    126,841.20x = 12,798,677,437.10
  5. Step 5: Solve for x
    x = 12,798,677,437.10/126,841.20
  6. Step 6: Final answer
    x = 100,903.16

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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.