Home / 127,191.48-175,556.16-73,507.80

Finding the Fourth Proportional to 127,191.48, 175,556.16 and 73,507.80

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Solution

The fourth proportional to 127,191.48, 175,556.16 and 73,507.80 is: 101,459.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,191.48 : 175,556.16 = 73,507.80 : x
  2. Step 2: Convert to fraction form
    127,191.48/175,556.16 = 73,507.80/x
  3. Step 3: Cross multiply
    127,191.48x = 175,556.16 × 73,507.80
  4. Step 4: Simplify right side
    127,191.48x = 12,904,747,098.05
  5. Step 5: Solve for x
    x = 12,904,747,098.05/127,191.48
  6. Step 6: Final answer
    x = 101,459.21

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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.