Home / 127,331.27-175,771.01-85,947.23

Finding the Fourth Proportional to 127,331.27, 175,771.01 and 85,947.23

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Solution

The fourth proportional to 127,331.27, 175,771.01 and 85,947.23 is: 118,643.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,331.27 : 175,771.01 = 85,947.23 : x
  2. Step 2: Convert to fraction form
    127,331.27/175,771.01 = 85,947.23/x
  3. Step 3: Cross multiply
    127,331.27x = 175,771.01 × 85,947.23
  4. Step 4: Simplify right side
    127,331.27x = 15,107,031,089.39
  5. Step 5: Solve for x
    x = 15,107,031,089.39/127,331.27
  6. Step 6: Final answer
    x = 118,643.53

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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.