Home / 118,721.38-178,091.28-34,482.90

Finding the Fourth Proportional to 118,721.38, 178,091.28 and 34,482.90

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Solution

The fourth proportional to 118,721.38, 178,091.28 and 34,482.90 is: 51,727.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,721.38 : 178,091.28 = 34,482.90 : x
  2. Step 2: Convert to fraction form
    118,721.38/178,091.28 = 34,482.90/x
  3. Step 3: Cross multiply
    118,721.38x = 178,091.28 × 34,482.90
  4. Step 4: Simplify right side
    118,721.38x = 6,141,103,799.11
  5. Step 5: Solve for x
    x = 6,141,103,799.11/118,721.38
  6. Step 6: Final answer
    x = 51,727.03

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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.