Home / 156,949.64-235,350.78-57,039.40

Finding the Fourth Proportional to 156,949.64, 235,350.78 and 57,039.40

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Solution

The fourth proportional to 156,949.64, 235,350.78 and 57,039.40 is: 85,532.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,949.64 : 235,350.78 = 57,039.40 : x
  2. Step 2: Convert to fraction form
    156,949.64/235,350.78 = 57,039.40/x
  3. Step 3: Cross multiply
    156,949.64x = 235,350.78 × 57,039.40
  4. Step 4: Simplify right side
    156,949.64x = 13,424,267,280.73
  5. Step 5: Solve for x
    x = 13,424,267,280.73/156,949.64
  6. Step 6: Final answer
    x = 85,532.32

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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.