Home / 131,194.02-196,624.88-83,790.78

Finding the Fourth Proportional to 131,194.02, 196,624.88 and 83,790.78

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Solution

The fourth proportional to 131,194.02, 196,624.88 and 83,790.78 is: 125,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,194.02 : 196,624.88 = 83,790.78 : x
  2. Step 2: Convert to fraction form
    131,194.02/196,624.88 = 83,790.78/x
  3. Step 3: Cross multiply
    131,194.02x = 196,624.88 × 83,790.78
  4. Step 4: Simplify right side
    131,194.02x = 16,475,352,062.61
  5. Step 5: Solve for x
    x = 16,475,352,062.61/131,194.02
  6. Step 6: Final answer
    x = 125,580.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.