Home / 157,765.12-236,717.03-82,867.86

Finding the Fourth Proportional to 157,765.12, 236,717.03 and 82,867.86

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Solution

The fourth proportional to 157,765.12, 236,717.03 and 82,867.86 is: 124,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,765.12 : 236,717.03 = 82,867.86 : x
  2. Step 2: Convert to fraction form
    157,765.12/236,717.03 = 82,867.86/x
  3. Step 3: Cross multiply
    157,765.12x = 236,717.03 × 82,867.86
  4. Step 4: Simplify right side
    157,765.12x = 19,616,233,908.83
  5. Step 5: Solve for x
    x = 19,616,233,908.83/157,765.12
  6. Step 6: Final answer
    x = 124,338.22

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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.