Home / 127,751.46-176,318.01-71,181.06

Finding the Fourth Proportional to 127,751.46, 176,318.01 and 71,181.06

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Solution

The fourth proportional to 127,751.46, 176,318.01 and 71,181.06 is: 98,241.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,751.46 : 176,318.01 = 71,181.06 : x
  2. Step 2: Convert to fraction form
    127,751.46/176,318.01 = 71,181.06/x
  3. Step 3: Cross multiply
    127,751.46x = 176,318.01 × 71,181.06
  4. Step 4: Simplify right side
    127,751.46x = 12,550,502,848.89
  5. Step 5: Solve for x
    x = 12,550,502,848.89/127,751.46
  6. Step 6: Final answer
    x = 98,241.56

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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.