Home / 127,957.29-176,637.69-82,657.36

Finding the Fourth Proportional to 127,957.29, 176,637.69 and 82,657.36

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Solution

The fourth proportional to 127,957.29, 176,637.69 and 82,657.36 is: 114,103.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,957.29 : 176,637.69 = 82,657.36 : x
  2. Step 2: Convert to fraction form
    127,957.29/176,637.69 = 82,657.36/x
  3. Step 3: Cross multiply
    127,957.29x = 176,637.69 × 82,657.36
  4. Step 4: Simplify right side
    127,957.29x = 14,600,405,120.22
  5. Step 5: Solve for x
    x = 14,600,405,120.22/127,957.29
  6. Step 6: Final answer
    x = 114,103.73

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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.