Home / 145,754.38-200,717.55-126,625.42

Finding the Fourth Proportional to 145,754.38, 200,717.55 and 126,625.42

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Solution

The fourth proportional to 145,754.38, 200,717.55 and 126,625.42 is: 174,375.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,754.38 : 200,717.55 = 126,625.42 : x
  2. Step 2: Convert to fraction form
    145,754.38/200,717.55 = 126,625.42/x
  3. Step 3: Cross multiply
    145,754.38x = 200,717.55 × 126,625.42
  4. Step 4: Simplify right side
    145,754.38x = 25,415,944,070.12
  5. Step 5: Solve for x
    x = 25,415,944,070.12/145,754.38
  6. Step 6: Final answer
    x = 174,375.17

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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.