Home / 127,277.01-175,524.92-86,502.21

Finding the Fourth Proportional to 127,277.01, 175,524.92 and 86,502.21

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Solution

The fourth proportional to 127,277.01, 175,524.92 and 86,502.21 is: 119,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,277.01 : 175,524.92 = 86,502.21 : x
  2. Step 2: Convert to fraction form
    127,277.01/175,524.92 = 86,502.21/x
  3. Step 3: Cross multiply
    127,277.01x = 175,524.92 × 86,502.21
  4. Step 4: Simplify right side
    127,277.01x = 15,183,293,057.56
  5. Step 5: Solve for x
    x = 15,183,293,057.56/127,277.01
  6. Step 6: Final answer
    x = 119,293.29

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1.5x scale

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.