Home / 157,633.10-236,449.65-143,117.90

Finding the Fourth Proportional to 157,633.10, 236,449.65 and 143,117.90

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Solution

The fourth proportional to 157,633.10, 236,449.65 and 143,117.90 is: 214,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,633.10 : 236,449.65 = 143,117.90 : x
  2. Step 2: Convert to fraction form
    157,633.10/236,449.65 = 143,117.90/x
  3. Step 3: Cross multiply
    157,633.10x = 236,449.65 × 143,117.90
  4. Step 4: Simplify right side
    157,633.10x = 33,840,177,363.74
  5. Step 5: Solve for x
    x = 33,840,177,363.74/157,633.10
  6. Step 6: Final answer
    x = 214,676.85

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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.