Home / 114,151.32-157,572.97-102,193.90

Finding the Fourth Proportional to 114,151.32, 157,572.97 and 102,193.90

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Solution

The fourth proportional to 114,151.32, 157,572.97 and 102,193.90 is: 141,067.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,151.32 : 157,572.97 = 102,193.90 : x
  2. Step 2: Convert to fraction form
    114,151.32/157,572.97 = 102,193.90/x
  3. Step 3: Cross multiply
    114,151.32x = 157,572.97 × 102,193.90
  4. Step 4: Simplify right side
    114,151.32x = 16,102,996,338.88
  5. Step 5: Solve for x
    x = 16,102,996,338.88/114,151.32
  6. Step 6: Final answer
    x = 141,067.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.