Home / 135,437.40-186,811.11-92,922.12

Finding the Fourth Proportional to 135,437.40, 186,811.11 and 92,922.12

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Solution

The fourth proportional to 135,437.40, 186,811.11 and 92,922.12 is: 128,169.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,437.40 : 186,811.11 = 92,922.12 : x
  2. Step 2: Convert to fraction form
    135,437.40/186,811.11 = 92,922.12/x
  3. Step 3: Cross multiply
    135,437.40x = 186,811.11 × 92,922.12
  4. Step 4: Simplify right side
    135,437.40x = 17,358,884,380.75
  5. Step 5: Solve for x
    x = 17,358,884,380.75/135,437.40
  6. Step 6: Final answer
    x = 128,169.06

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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.