Home / 126,043.38-173,943.58-69,458.40

Finding the Fourth Proportional to 126,043.38, 173,943.58 and 69,458.40

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Solution

The fourth proportional to 126,043.38, 173,943.58 and 69,458.40 is: 95,854.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,043.38 : 173,943.58 = 69,458.40 : x
  2. Step 2: Convert to fraction form
    126,043.38/173,943.58 = 69,458.40/x
  3. Step 3: Cross multiply
    126,043.38x = 173,943.58 × 69,458.40
  4. Step 4: Simplify right side
    126,043.38x = 12,081,842,757.07
  5. Step 5: Solve for x
    x = 12,081,842,757.07/126,043.38
  6. Step 6: Final answer
    x = 95,854.64

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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.