Home / 185,922.87-256,565.25-105,345.69

Finding the Fourth Proportional to 185,922.87, 256,565.25 and 105,345.69

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Solution

The fourth proportional to 185,922.87, 256,565.25 and 105,345.69 is: 145,372.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,922.87 : 256,565.25 = 105,345.69 : x
  2. Step 2: Convert to fraction form
    185,922.87/256,565.25 = 105,345.69/x
  3. Step 3: Cross multiply
    185,922.87x = 256,565.25 × 105,345.69
  4. Step 4: Simplify right side
    185,922.87x = 27,028,043,291.27
  5. Step 5: Solve for x
    x = 27,028,043,291.27/185,922.87
  6. Step 6: Final answer
    x = 145,372.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.