Home / 134,199.96-185,213.40-86,591.80

Finding the Fourth Proportional to 134,199.96, 185,213.40 and 86,591.80

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Solution

The fourth proportional to 134,199.96, 185,213.40 and 86,591.80 is: 119,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,199.96 : 185,213.40 = 86,591.80 : x
  2. Step 2: Convert to fraction form
    134,199.96/185,213.40 = 86,591.80/x
  3. Step 3: Cross multiply
    134,199.96x = 185,213.40 × 86,591.80
  4. Step 4: Simplify right side
    134,199.96x = 16,037,961,690.12
  5. Step 5: Solve for x
    x = 16,037,961,690.12/134,199.96
  6. Step 6: Final answer
    x = 119,507.95

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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.