Home / 189,801.63-284,702.22-77,534.61

Finding the Fourth Proportional to 189,801.63, 284,702.22 and 77,534.61

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Solution

The fourth proportional to 189,801.63, 284,702.22 and 77,534.61 is: 116,301.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,801.63 : 284,702.22 = 77,534.61 : x
  2. Step 2: Convert to fraction form
    189,801.63/284,702.22 = 77,534.61/x
  3. Step 3: Cross multiply
    189,801.63x = 284,702.22 × 77,534.61
  4. Step 4: Simplify right side
    189,801.63x = 22,074,275,593.83
  5. Step 5: Solve for x
    x = 22,074,275,593.83/189,801.63
  6. Step 6: Final answer
    x = 116,301.82

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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.