Home / 240,142.50-331,403.27-132,719.49

Finding the Fourth Proportional to 240,142.50, 331,403.27 and 132,719.49

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Solution

The fourth proportional to 240,142.50, 331,403.27 and 132,719.49 is: 183,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,142.50 : 331,403.27 = 132,719.49 : x
  2. Step 2: Convert to fraction form
    240,142.50/331,403.27 = 132,719.49/x
  3. Step 3: Cross multiply
    240,142.50x = 331,403.27 × 132,719.49
  4. Step 4: Simplify right side
    240,142.50x = 43,983,672,315.13
  5. Step 5: Solve for x
    x = 43,983,672,315.13/240,142.50
  6. Step 6: Final answer
    x = 183,156.55

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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.