Home / 157,633.60-236,380.40-57,767.68

Finding the Fourth Proportional to 157,633.60, 236,380.40 and 57,767.68

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Solution

The fourth proportional to 157,633.60, 236,380.40 and 57,767.68 is: 86,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,633.60 : 236,380.40 = 57,767.68 : x
  2. Step 2: Convert to fraction form
    157,633.60/236,380.40 = 57,767.68/x
  3. Step 3: Cross multiply
    157,633.60x = 236,380.40 × 57,767.68
  4. Step 4: Simplify right side
    157,633.60x = 13,655,147,305.47
  5. Step 5: Solve for x
    x = 13,655,147,305.47/157,633.60
  6. Step 6: Final answer
    x = 86,625.87

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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.