Home / 127,102.25-175,401.11-70,514.03

Finding the Fourth Proportional to 127,102.25, 175,401.11 and 70,514.03

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Solution

The fourth proportional to 127,102.25, 175,401.11 and 70,514.03 is: 97,309.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,102.25 : 175,401.11 = 70,514.03 : x
  2. Step 2: Convert to fraction form
    127,102.25/175,401.11 = 70,514.03/x
  3. Step 3: Cross multiply
    127,102.25x = 175,401.11 × 70,514.03
  4. Step 4: Simplify right side
    127,102.25x = 12,368,239,132.57
  5. Step 5: Solve for x
    x = 12,368,239,132.57/127,102.25
  6. Step 6: Final answer
    x = 97,309.36

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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.