Home / 127,857.76-176,506.32-99,113.92

Finding the Fourth Proportional to 127,857.76, 176,506.32 and 99,113.92

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Solution

The fourth proportional to 127,857.76, 176,506.32 and 99,113.92 is: 136,825.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,857.76 : 176,506.32 = 99,113.92 : x
  2. Step 2: Convert to fraction form
    127,857.76/176,506.32 = 99,113.92/x
  3. Step 3: Cross multiply
    127,857.76x = 176,506.32 × 99,113.92
  4. Step 4: Simplify right side
    127,857.76x = 17,494,233,279.97
  5. Step 5: Solve for x
    x = 17,494,233,279.97/127,857.76
  6. Step 6: Final answer
    x = 136,825.75

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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.