Home / 126,887.61-175,025.52-81,624.54

Finding the Fourth Proportional to 126,887.61, 175,025.52 and 81,624.54

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Solution

The fourth proportional to 126,887.61, 175,025.52 and 81,624.54 is: 112,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,887.61 : 175,025.52 = 81,624.54 : x
  2. Step 2: Convert to fraction form
    126,887.61/175,025.52 = 81,624.54/x
  3. Step 3: Cross multiply
    126,887.61x = 175,025.52 × 81,624.54
  4. Step 4: Simplify right side
    126,887.61x = 14,286,377,558.26
  5. Step 5: Solve for x
    x = 14,286,377,558.26/126,887.61
  6. Step 6: Final answer
    x = 112,590.80

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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.