Home / 140,616.40-194,048.04-76,952.92

Finding the Fourth Proportional to 140,616.40, 194,048.04 and 76,952.92

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Solution

The fourth proportional to 140,616.40, 194,048.04 and 76,952.92 is: 106,193.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,616.40 : 194,048.04 = 76,952.92 : x
  2. Step 2: Convert to fraction form
    140,616.40/194,048.04 = 76,952.92/x
  3. Step 3: Cross multiply
    140,616.40x = 194,048.04 × 76,952.92
  4. Step 4: Simplify right side
    140,616.40x = 14,932,563,298.28
  5. Step 5: Solve for x
    x = 14,932,563,298.28/140,616.40
  6. Step 6: Final answer
    x = 106,193.61

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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.