Home / 119,335.15-164,676.86-65,622.43

Finding the Fourth Proportional to 119,335.15, 164,676.86 and 65,622.43

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Solution

The fourth proportional to 119,335.15, 164,676.86 and 65,622.43 is: 90,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,335.15 : 164,676.86 = 65,622.43 : x
  2. Step 2: Convert to fraction form
    119,335.15/164,676.86 = 65,622.43/x
  3. Step 3: Cross multiply
    119,335.15x = 164,676.86 × 65,622.43
  4. Step 4: Simplify right side
    119,335.15x = 10,806,495,717.97
  5. Step 5: Solve for x
    x = 10,806,495,717.97/119,335.15
  6. Step 6: Final answer
    x = 90,555.85

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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.