Home / 121,205.38-181,827.76-35,824.90

Finding the Fourth Proportional to 121,205.38, 181,827.76 and 35,824.90

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Solution

The fourth proportional to 121,205.38, 181,827.76 and 35,824.90 is: 53,743.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,205.38 : 181,827.76 = 35,824.90 : x
  2. Step 2: Convert to fraction form
    121,205.38/181,827.76 = 35,824.90/x
  3. Step 3: Cross multiply
    121,205.38x = 181,827.76 × 35,824.90
  4. Step 4: Simplify right side
    121,205.38x = 6,513,961,319.22
  5. Step 5: Solve for x
    x = 6,513,961,319.22/121,205.38
  6. Step 6: Final answer
    x = 53,743.17

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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.