Home / 189,513.12-284,170.32-94,641.60

Finding the Fourth Proportional to 189,513.12, 284,170.32 and 94,641.60

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Solution

The fourth proportional to 189,513.12, 284,170.32 and 94,641.60 is: 141,912.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,513.12 : 284,170.32 = 94,641.60 : x
  2. Step 2: Convert to fraction form
    189,513.12/284,170.32 = 94,641.60/x
  3. Step 3: Cross multiply
    189,513.12x = 284,170.32 × 94,641.60
  4. Step 4: Simplify right side
    189,513.12x = 26,894,333,757.31
  5. Step 5: Solve for x
    x = 26,894,333,757.31/189,513.12
  6. Step 6: Final answer
    x = 141,912.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.