Home / 189,717.20-284,590.20-56,587.04

Finding the Fourth Proportional to 189,717.20, 284,590.20 and 56,587.04

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Solution

The fourth proportional to 189,717.20, 284,590.20 and 56,587.04 is: 84,884.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,717.20 : 284,590.20 = 56,587.04 : x
  2. Step 2: Convert to fraction form
    189,717.20/284,590.20 = 56,587.04/x
  3. Step 3: Cross multiply
    189,717.20x = 284,590.20 × 56,587.04
  4. Step 4: Simplify right side
    189,717.20x = 16,104,117,031.01
  5. Step 5: Solve for x
    x = 16,104,117,031.01/189,717.20
  6. Step 6: Final answer
    x = 84,884.86

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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.