Home / 170,814.38-256,098.45-104,238.86

Finding the Fourth Proportional to 170,814.38, 256,098.45 and 104,238.86

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Solution

The fourth proportional to 170,814.38, 256,098.45 and 104,238.86 is: 156,283.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,814.38 : 256,098.45 = 104,238.86 : x
  2. Step 2: Convert to fraction form
    170,814.38/256,098.45 = 104,238.86/x
  3. Step 3: Cross multiply
    170,814.38x = 256,098.45 × 104,238.86
  4. Step 4: Simplify right side
    170,814.38x = 26,695,410,475.77
  5. Step 5: Solve for x
    x = 26,695,410,475.77/170,814.38
  6. Step 6: Final answer
    x = 156,283.16

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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.