Home / 148,612.86-205,057.17-84,937.14

Finding the Fourth Proportional to 148,612.86, 205,057.17 and 84,937.14

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Solution

The fourth proportional to 148,612.86, 205,057.17 and 84,937.14 is: 117,196.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,612.86 : 205,057.17 = 84,937.14 : x
  2. Step 2: Convert to fraction form
    148,612.86/205,057.17 = 84,937.14/x
  3. Step 3: Cross multiply
    148,612.86x = 205,057.17 × 84,937.14
  4. Step 4: Simplify right side
    148,612.86x = 17,416,969,556.29
  5. Step 5: Solve for x
    x = 17,416,969,556.29/148,612.86
  6. Step 6: Final answer
    x = 117,196.92

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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.