Home / 156,976.10-235,464.15-57,248.90

Finding the Fourth Proportional to 156,976.10, 235,464.15 and 57,248.90

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Solution

The fourth proportional to 156,976.10, 235,464.15 and 57,248.90 is: 85,873.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,976.10 : 235,464.15 = 57,248.90 : x
  2. Step 2: Convert to fraction form
    156,976.10/235,464.15 = 57,248.90/x
  3. Step 3: Cross multiply
    156,976.10x = 235,464.15 × 57,248.90
  4. Step 4: Simplify right side
    156,976.10x = 13,480,063,576.94
  5. Step 5: Solve for x
    x = 13,480,063,576.94/156,976.10
  6. Step 6: Final answer
    x = 85,873.35

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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.