Home / 127,677.18-176,195.73-71,089.77

Finding the Fourth Proportional to 127,677.18, 176,195.73 and 71,089.77

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Solution

The fourth proportional to 127,677.18, 176,195.73 and 71,089.77 is: 98,104.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,677.18 : 176,195.73 = 71,089.77 : x
  2. Step 2: Convert to fraction form
    127,677.18/176,195.73 = 71,089.77/x
  3. Step 3: Cross multiply
    127,677.18x = 176,195.73 × 71,089.77
  4. Step 4: Simplify right side
    127,677.18x = 12,525,713,920.68
  5. Step 5: Solve for x
    x = 12,525,713,920.68/127,677.18
  6. Step 6: Final answer
    x = 98,104.56

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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.