Home / 140,856.02-194,380.53-77,191.64

Finding the Fourth Proportional to 140,856.02, 194,380.53 and 77,191.64

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Solution

The fourth proportional to 140,856.02, 194,380.53 and 77,191.64 is: 106,524.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,856.02 : 194,380.53 = 77,191.64 : x
  2. Step 2: Convert to fraction form
    140,856.02/194,380.53 = 77,191.64/x
  3. Step 3: Cross multiply
    140,856.02x = 194,380.53 × 77,191.64
  4. Step 4: Simplify right side
    140,856.02x = 15,004,551,894.77
  5. Step 5: Solve for x
    x = 15,004,551,894.77/140,856.02
  6. Step 6: Final answer
    x = 106,524.04

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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.