Home / 189,828.11-284,820.76-83,156.96

Finding the Fourth Proportional to 189,828.11, 284,820.76 and 83,156.96

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Solution

The fourth proportional to 189,828.11, 284,820.76 and 83,156.96 is: 124,769.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,828.11 : 284,820.76 = 83,156.96 : x
  2. Step 2: Convert to fraction form
    189,828.11/284,820.76 = 83,156.96/x
  3. Step 3: Cross multiply
    189,828.11x = 284,820.76 × 83,156.96
  4. Step 4: Simplify right side
    189,828.11x = 23,684,828,546.49
  5. Step 5: Solve for x
    x = 23,684,828,546.49/189,828.11
  6. Step 6: Final answer
    x = 124,769.87

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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.