Home / 127,114.38-175,426.16-73,401.66

Finding the Fourth Proportional to 127,114.38, 175,426.16 and 73,401.66

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Solution

The fourth proportional to 127,114.38, 175,426.16 and 73,401.66 is: 101,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,114.38 : 175,426.16 = 73,401.66 : x
  2. Step 2: Convert to fraction form
    127,114.38/175,426.16 = 73,401.66/x
  3. Step 3: Cross multiply
    127,114.38x = 175,426.16 × 73,401.66
  4. Step 4: Simplify right side
    127,114.38x = 12,876,570,984.42
  5. Step 5: Solve for x
    x = 12,876,570,984.42/127,114.38
  6. Step 6: Final answer
    x = 101,299.09

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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.