Home / 157,287.45-235,963.94-52,114.65

Finding the Fourth Proportional to 157,287.45, 235,963.94 and 52,114.65

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Solution

The fourth proportional to 157,287.45, 235,963.94 and 52,114.65 is: 78,182.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,287.45 : 235,963.94 = 52,114.65 : x
  2. Step 2: Convert to fraction form
    157,287.45/235,963.94 = 52,114.65/x
  3. Step 3: Cross multiply
    157,287.45x = 235,963.94 × 52,114.65
  4. Step 4: Simplify right side
    157,287.45x = 12,297,177,885.15
  5. Step 5: Solve for x
    x = 12,297,177,885.15/157,287.45
  6. Step 6: Final answer
    x = 78,182.83

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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.