Home / 195,865.20-293,823.95-77,508.86

Finding the Fourth Proportional to 195,865.20, 293,823.95 and 77,508.86

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Solution

The fourth proportional to 195,865.20, 293,823.95 and 77,508.86 is: 116,273.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,865.20 : 293,823.95 = 77,508.86 : x
  2. Step 2: Convert to fraction form
    195,865.20/293,823.95 = 77,508.86/x
  3. Step 3: Cross multiply
    195,865.20x = 293,823.95 × 77,508.86
  4. Step 4: Simplify right side
    195,865.20x = 22,773,959,405.20
  5. Step 5: Solve for x
    x = 22,773,959,405.20/195,865.20
  6. Step 6: Final answer
    x = 116,273.64

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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.