Home / 156,949.90-235,338.45-51,714.70

Finding the Fourth Proportional to 156,949.90, 235,338.45 and 51,714.70

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Solution

The fourth proportional to 156,949.90, 235,338.45 and 51,714.70 is: 77,543.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,949.90 : 235,338.45 = 51,714.70 : x
  2. Step 2: Convert to fraction form
    156,949.90/235,338.45 = 51,714.70/x
  3. Step 3: Cross multiply
    156,949.90x = 235,338.45 × 51,714.70
  4. Step 4: Simplify right side
    156,949.90x = 12,170,457,340.22
  5. Step 5: Solve for x
    x = 12,170,457,340.22/156,949.90
  6. Step 6: Final answer
    x = 77,543.58

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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.