Home / 170,781.60-255,826.80-96,823.20

Finding the Fourth Proportional to 170,781.60, 255,826.80 and 96,823.20

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Solution

The fourth proportional to 170,781.60, 255,826.80 and 96,823.20 is: 145,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,781.60 : 255,826.80 = 96,823.20 : x
  2. Step 2: Convert to fraction form
    170,781.60/255,826.80 = 96,823.20/x
  3. Step 3: Cross multiply
    170,781.60x = 255,826.80 × 96,823.20
  4. Step 4: Simplify right side
    170,781.60x = 24,769,969,421.76
  5. Step 5: Solve for x
    x = 24,769,969,421.76/170,781.60
  6. Step 6: Final answer
    x = 145,038.86

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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.