Home / 140,197.50-193,463.51-76,535.28

Finding the Fourth Proportional to 140,197.50, 193,463.51 and 76,535.28

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Solution

The fourth proportional to 140,197.50, 193,463.51 and 76,535.28 is: 105,613.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,197.50 : 193,463.51 = 76,535.28 : x
  2. Step 2: Convert to fraction form
    140,197.50/193,463.51 = 76,535.28/x
  3. Step 3: Cross multiply
    140,197.50x = 193,463.51 × 76,535.28
  4. Step 4: Simplify right side
    140,197.50x = 14,806,783,524.96
  5. Step 5: Solve for x
    x = 14,806,783,524.96/140,197.50
  6. Step 6: Final answer
    x = 105,613.75

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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.