Home / 127,961.66-176,551.65-82,641.55

Finding the Fourth Proportional to 127,961.66, 176,551.65 and 82,641.55

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Solution

The fourth proportional to 127,961.66, 176,551.65 and 82,641.55 is: 114,022.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,961.66 : 176,551.65 = 82,641.55 : x
  2. Step 2: Convert to fraction form
    127,961.66/176,551.65 = 82,641.55/x
  3. Step 3: Cross multiply
    127,961.66x = 176,551.65 × 82,641.55
  4. Step 4: Simplify right side
    127,961.66x = 14,590,502,011.06
  5. Step 5: Solve for x
    x = 14,590,502,011.06/127,961.66
  6. Step 6: Final answer
    x = 114,022.45

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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.