Home / 252,122.06-347,923.78-137,401.62

Finding the Fourth Proportional to 252,122.06, 347,923.78 and 137,401.62

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Solution

The fourth proportional to 252,122.06, 347,923.78 and 137,401.62 is: 189,611.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,122.06 : 347,923.78 = 137,401.62 : x
  2. Step 2: Convert to fraction form
    252,122.06/347,923.78 = 137,401.62/x
  3. Step 3: Cross multiply
    252,122.06x = 347,923.78 × 137,401.62
  4. Step 4: Simplify right side
    252,122.06x = 47,805,291,008.52
  5. Step 5: Solve for x
    x = 47,805,291,008.52/252,122.06
  6. Step 6: Final answer
    x = 189,611.69

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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.