Home / 144,586.45-199,505.49-90,833.41

Finding the Fourth Proportional to 144,586.45, 199,505.49 and 90,833.41

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Solution

The fourth proportional to 144,586.45, 199,505.49 and 90,833.41 is: 125,335.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,586.45 : 199,505.49 = 90,833.41 : x
  2. Step 2: Convert to fraction form
    144,586.45/199,505.49 = 90,833.41/x
  3. Step 3: Cross multiply
    144,586.45x = 199,505.49 × 90,833.41
  4. Step 4: Simplify right side
    144,586.45x = 18,121,763,970.42
  5. Step 5: Solve for x
    x = 18,121,763,970.42/144,586.45
  6. Step 6: Final answer
    x = 125,335.15

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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.