Home / 91,641.08-126,160.26-82,193.24

Finding the Fourth Proportional to 91,641.08, 126,160.26 and 82,193.24

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Solution

The fourth proportional to 91,641.08, 126,160.26 and 82,193.24 is: 113,153.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,641.08 : 126,160.26 = 82,193.24 : x
  2. Step 2: Convert to fraction form
    91,641.08/126,160.26 = 82,193.24/x
  3. Step 3: Cross multiply
    91,641.08x = 126,160.26 × 82,193.24
  4. Step 4: Simplify right side
    91,641.08x = 10,369,520,528.64
  5. Step 5: Solve for x
    x = 10,369,520,528.64/91,641.08
  6. Step 6: Final answer
    x = 113,153.63

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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.