Home / 156,788.66-235,183-51,637.70

Finding the Fourth Proportional to 156,788.66, 235,183 and 51,637.70

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Solution

The fourth proportional to 156,788.66, 235,183 and 51,637.70 is: 77,456.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,788.66 : 235,183 = 51,637.70 : x
  2. Step 2: Convert to fraction form
    156,788.66/235,183 = 51,637.70/x
  3. Step 3: Cross multiply
    156,788.66x = 235,183 × 51,637.70
  4. Step 4: Simplify right side
    156,788.66x = 12,144,309,199.10
  5. Step 5: Solve for x
    x = 12,144,309,199.10/156,788.66
  6. Step 6: Final answer
    x = 77,456.55

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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.