Home / 146,680.22-219,985.10-67,718.58

Finding the Fourth Proportional to 146,680.22, 219,985.10 and 67,718.58

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Solution

The fourth proportional to 146,680.22, 219,985.10 and 67,718.58 is: 101,561.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,680.22 : 219,985.10 = 67,718.58 : x
  2. Step 2: Convert to fraction form
    146,680.22/219,985.10 = 67,718.58/x
  3. Step 3: Cross multiply
    146,680.22x = 219,985.10 × 67,718.58
  4. Step 4: Simplify right side
    146,680.22x = 14,897,078,593.16
  5. Step 5: Solve for x
    x = 14,897,078,593.16/146,680.22
  6. Step 6: Final answer
    x = 101,561.61

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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.