Home / 126,993.58-175,244.39-72,535.05

Finding the Fourth Proportional to 126,993.58, 175,244.39 and 72,535.05

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Solution

The fourth proportional to 126,993.58, 175,244.39 and 72,535.05 is: 100,094.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,993.58 : 175,244.39 = 72,535.05 : x
  2. Step 2: Convert to fraction form
    126,993.58/175,244.39 = 72,535.05/x
  3. Step 3: Cross multiply
    126,993.58x = 175,244.39 × 72,535.05
  4. Step 4: Simplify right side
    126,993.58x = 12,711,359,714.65
  5. Step 5: Solve for x
    x = 12,711,359,714.65/126,993.58
  6. Step 6: Final answer
    x = 100,094.51

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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.