Home / 189,038.43-284,853.94-156,488.85

Finding the Fourth Proportional to 189,038.43, 284,853.94 and 156,488.85

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Solution

The fourth proportional to 189,038.43, 284,853.94 and 156,488.85 is: 235,806.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,038.43 : 284,853.94 = 156,488.85 : x
  2. Step 2: Convert to fraction form
    189,038.43/284,853.94 = 156,488.85/x
  3. Step 3: Cross multiply
    189,038.43x = 284,853.94 × 156,488.85
  4. Step 4: Simplify right side
    189,038.43x = 44,576,465,097.35
  5. Step 5: Solve for x
    x = 44,576,465,097.35/189,038.43
  6. Step 6: Final answer
    x = 235,806.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.