Home / 140,016.74-193,234.55-79,606.31

Finding the Fourth Proportional to 140,016.74, 193,234.55 and 79,606.31

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Solution

The fourth proportional to 140,016.74, 193,234.55 and 79,606.31 is: 109,863.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,016.74 : 193,234.55 = 79,606.31 : x
  2. Step 2: Convert to fraction form
    140,016.74/193,234.55 = 79,606.31/x
  3. Step 3: Cross multiply
    140,016.74x = 193,234.55 × 79,606.31
  4. Step 4: Simplify right side
    140,016.74x = 15,382,688,125.81
  5. Step 5: Solve for x
    x = 15,382,688,125.81/140,016.74
  6. Step 6: Final answer
    x = 109,863.21

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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.