Home / 183,717.28-253,527.69-103,142.80

Finding the Fourth Proportional to 183,717.28, 253,527.69 and 103,142.80

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Solution

The fourth proportional to 183,717.28, 253,527.69 and 103,142.80 is: 142,335.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,717.28 : 253,527.69 = 103,142.80 : x
  2. Step 2: Convert to fraction form
    183,717.28/253,527.69 = 103,142.80/x
  3. Step 3: Cross multiply
    183,717.28x = 253,527.69 × 103,142.80
  4. Step 4: Simplify right side
    183,717.28x = 26,149,555,824.13
  5. Step 5: Solve for x
    x = 26,149,555,824.13/183,717.28
  6. Step 6: Final answer
    x = 142,335.85

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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.