Home / 112,150.88-168,178.80-41,981.28

Finding the Fourth Proportional to 112,150.88, 168,178.80 and 41,981.28

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Solution

The fourth proportional to 112,150.88, 168,178.80 and 41,981.28 is: 62,954.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,150.88 : 168,178.80 = 41,981.28 : x
  2. Step 2: Convert to fraction form
    112,150.88/168,178.80 = 41,981.28/x
  3. Step 3: Cross multiply
    112,150.88x = 168,178.80 × 41,981.28
  4. Step 4: Simplify right side
    112,150.88x = 7,060,361,292.86
  5. Step 5: Solve for x
    x = 7,060,361,292.86/112,150.88
  6. Step 6: Final answer
    x = 62,954.13

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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.