Home / 162,934.40-244,328.70-74,142.20

Finding the Fourth Proportional to 162,934.40, 244,328.70 and 74,142.20

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Solution

The fourth proportional to 162,934.40, 244,328.70 and 74,142.20 is: 111,180.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,934.40 : 244,328.70 = 74,142.20 : x
  2. Step 2: Convert to fraction form
    162,934.40/244,328.70 = 74,142.20/x
  3. Step 3: Cross multiply
    162,934.40x = 244,328.70 × 74,142.20
  4. Step 4: Simplify right side
    162,934.40x = 18,115,067,341.14
  5. Step 5: Solve for x
    x = 18,115,067,341.14/162,934.40
  6. Step 6: Final answer
    x = 111,180.13

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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.