Home / 160,186.60-221,053.62-88,564.78

Finding the Fourth Proportional to 160,186.60, 221,053.62 and 88,564.78

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Solution

The fourth proportional to 160,186.60, 221,053.62 and 88,564.78 is: 122,217.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,186.60 : 221,053.62 = 88,564.78 : x
  2. Step 2: Convert to fraction form
    160,186.60/221,053.62 = 88,564.78/x
  3. Step 3: Cross multiply
    160,186.60x = 221,053.62 × 88,564.78
  4. Step 4: Simplify right side
    160,186.60x = 19,577,565,223.50
  5. Step 5: Solve for x
    x = 19,577,565,223.50/160,186.60
  6. Step 6: Final answer
    x = 122,217.25

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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.