Home / 103,432.68-155,149.56-41,103.36

Finding the Fourth Proportional to 103,432.68, 155,149.56 and 41,103.36

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Solution

The fourth proportional to 103,432.68, 155,149.56 and 41,103.36 is: 61,655.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,432.68 : 155,149.56 = 41,103.36 : x
  2. Step 2: Convert to fraction form
    103,432.68/155,149.56 = 41,103.36/x
  3. Step 3: Cross multiply
    103,432.68x = 155,149.56 × 41,103.36
  4. Step 4: Simplify right side
    103,432.68x = 6,377,168,218.52
  5. Step 5: Solve for x
    x = 6,377,168,218.52/103,432.68
  6. Step 6: Final answer
    x = 61,655.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.