Home / 156,744.35-235,116.53-112,785.65

Finding the Fourth Proportional to 156,744.35, 235,116.53 and 112,785.65

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Solution

The fourth proportional to 156,744.35, 235,116.53 and 112,785.65 is: 169,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,744.35 : 235,116.53 = 112,785.65 : x
  2. Step 2: Convert to fraction form
    156,744.35/235,116.53 = 112,785.65/x
  3. Step 3: Cross multiply
    156,744.35x = 235,116.53 × 112,785.65
  4. Step 4: Simplify right side
    156,744.35x = 26,517,770,661.79
  5. Step 5: Solve for x
    x = 26,517,770,661.79/156,744.35
  6. Step 6: Final answer
    x = 169,178.48

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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.