Home / 189,746.01-284,577.12-54,780.77

Finding the Fourth Proportional to 189,746.01, 284,577.12 and 54,780.77

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Solution

The fourth proportional to 189,746.01, 284,577.12 and 54,780.77 is: 82,159.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,746.01 : 284,577.12 = 54,780.77 : x
  2. Step 2: Convert to fraction form
    189,746.01/284,577.12 = 54,780.77/x
  3. Step 3: Cross multiply
    189,746.01x = 284,577.12 × 54,780.77
  4. Step 4: Simplify right side
    189,746.01x = 15,589,354,469.43
  5. Step 5: Solve for x
    x = 15,589,354,469.43/189,746.01
  6. Step 6: Final answer
    x = 82,159.06

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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.