Home / 140,005.46-193,219.02-79,595.06

Finding the Fourth Proportional to 140,005.46, 193,219.02 and 79,595.06

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Solution

The fourth proportional to 140,005.46, 193,219.02 and 79,595.06 is: 109,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,005.46 : 193,219.02 = 79,595.06 : x
  2. Step 2: Convert to fraction form
    140,005.46/193,219.02 = 79,595.06/x
  3. Step 3: Cross multiply
    140,005.46x = 193,219.02 × 79,595.06
  4. Step 4: Simplify right side
    140,005.46x = 15,379,278,523.95
  5. Step 5: Solve for x
    x = 15,379,278,523.95/140,005.46
  6. Step 6: Final answer
    x = 109,847.70

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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.