Home / 115,966.77-160,031.43-68,223.19

Finding the Fourth Proportional to 115,966.77, 160,031.43 and 68,223.19

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Solution

The fourth proportional to 115,966.77, 160,031.43 and 68,223.19 is: 94,146.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,966.77 : 160,031.43 = 68,223.19 : x
  2. Step 2: Convert to fraction form
    115,966.77/160,031.43 = 68,223.19/x
  3. Step 3: Cross multiply
    115,966.77x = 160,031.43 × 68,223.19
  4. Step 4: Simplify right side
    115,966.77x = 10,917,854,654.86
  5. Step 5: Solve for x
    x = 10,917,854,654.86/115,966.77
  6. Step 6: Final answer
    x = 94,146.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.