Home / 189,581.70-284,153.82-71,177.52

Finding the Fourth Proportional to 189,581.70, 284,153.82 and 71,177.52

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Solution

The fourth proportional to 189,581.70, 284,153.82 and 71,177.52 is: 106,684.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,581.70 : 284,153.82 = 71,177.52 : x
  2. Step 2: Convert to fraction form
    189,581.70/284,153.82 = 71,177.52/x
  3. Step 3: Cross multiply
    189,581.70x = 284,153.82 × 71,177.52
  4. Step 4: Simplify right side
    189,581.70x = 20,225,364,206.13
  5. Step 5: Solve for x
    x = 20,225,364,206.13/189,581.70
  6. Step 6: Final answer
    x = 106,684.16

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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.