Home / 121,125.78-181,674.39-32,386.13

Finding the Fourth Proportional to 121,125.78, 181,674.39 and 32,386.13

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Solution

The fourth proportional to 121,125.78, 181,674.39 and 32,386.13 is: 48,575.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,125.78 : 181,674.39 = 32,386.13 : x
  2. Step 2: Convert to fraction form
    121,125.78/181,674.39 = 32,386.13/x
  3. Step 3: Cross multiply
    121,125.78x = 181,674.39 × 32,386.13
  4. Step 4: Simplify right side
    121,125.78x = 5,883,730,306.57
  5. Step 5: Solve for x
    x = 5,883,730,306.57/121,125.78
  6. Step 6: Final answer
    x = 48,575.38

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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.