Home / 110,129.10-164,974.95-65,623.65

Finding the Fourth Proportional to 110,129.10, 164,974.95 and 65,623.65

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Solution

The fourth proportional to 110,129.10, 164,974.95 and 65,623.65 is: 98,305.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,129.10 : 164,974.95 = 65,623.65 : x
  2. Step 2: Convert to fraction form
    110,129.10/164,974.95 = 65,623.65/x
  3. Step 3: Cross multiply
    110,129.10x = 164,974.95 × 65,623.65
  4. Step 4: Simplify right side
    110,129.10x = 10,826,258,377.57
  5. Step 5: Solve for x
    x = 10,826,258,377.57/110,129.10
  6. Step 6: Final answer
    x = 98,305.16

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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.