Home / 126,816.30-175,001.85-73,103.58

Finding the Fourth Proportional to 126,816.30, 175,001.85 and 73,103.58

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Solution

The fourth proportional to 126,816.30, 175,001.85 and 73,103.58 is: 100,880.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,816.30 : 175,001.85 = 73,103.58 : x
  2. Step 2: Convert to fraction form
    126,816.30/175,001.85 = 73,103.58/x
  3. Step 3: Cross multiply
    126,816.30x = 175,001.85 × 73,103.58
  4. Step 4: Simplify right side
    126,816.30x = 12,793,261,741.62
  5. Step 5: Solve for x
    x = 12,793,261,741.62/126,816.30
  6. Step 6: Final answer
    x = 100,880.26

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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.