Home / 140,613.57-194,137.29-125,480.21

Finding the Fourth Proportional to 140,613.57, 194,137.29 and 125,480.21

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Solution

The fourth proportional to 140,613.57, 194,137.29 and 125,480.21 is: 173,243.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,613.57 : 194,137.29 = 125,480.21 : x
  2. Step 2: Convert to fraction form
    140,613.57/194,137.29 = 125,480.21/x
  3. Step 3: Cross multiply
    140,613.57x = 194,137.29 × 125,480.21
  4. Step 4: Simplify right side
    140,613.57x = 24,360,386,947.34
  5. Step 5: Solve for x
    x = 24,360,386,947.34/140,613.57
  6. Step 6: Final answer
    x = 173,243.50

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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.