Home / 127,961.16-176,550.96-82,641.06

Finding the Fourth Proportional to 127,961.16, 176,550.96 and 82,641.06

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Solution

The fourth proportional to 127,961.16, 176,550.96 and 82,641.06 is: 114,021.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,961.16 : 176,550.96 = 82,641.06 : x
  2. Step 2: Convert to fraction form
    127,961.16/176,550.96 = 82,641.06/x
  3. Step 3: Cross multiply
    127,961.16x = 176,550.96 × 82,641.06
  4. Step 4: Simplify right side
    127,961.16x = 14,590,357,182.46
  5. Step 5: Solve for x
    x = 14,590,357,182.46/127,961.16
  6. Step 6: Final answer
    x = 114,021.76

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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.