Home / 141,409.28-195,133.20-83,256.80

Finding the Fourth Proportional to 141,409.28, 195,133.20 and 83,256.80

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Solution

The fourth proportional to 141,409.28, 195,133.20 and 83,256.80 is: 114,887.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,409.28 : 195,133.20 = 83,256.80 : x
  2. Step 2: Convert to fraction form
    141,409.28/195,133.20 = 83,256.80/x
  3. Step 3: Cross multiply
    141,409.28x = 195,133.20 × 83,256.80
  4. Step 4: Simplify right side
    141,409.28x = 16,246,165,805.76
  5. Step 5: Solve for x
    x = 16,246,165,805.76/141,409.28
  6. Step 6: Final answer
    x = 114,887.55

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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.