Home / 147,013.22-202,872.12-83,355.32

Finding the Fourth Proportional to 147,013.22, 202,872.12 and 83,355.32

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Solution

The fourth proportional to 147,013.22, 202,872.12 and 83,355.32 is: 115,026.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,013.22 : 202,872.12 = 83,355.32 : x
  2. Step 2: Convert to fraction form
    147,013.22/202,872.12 = 83,355.32/x
  3. Step 3: Cross multiply
    147,013.22x = 202,872.12 × 83,355.32
  4. Step 4: Simplify right side
    147,013.22x = 16,910,470,481.68
  5. Step 5: Solve for x
    x = 16,910,470,481.68/147,013.22
  6. Step 6: Final answer
    x = 115,026.87

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1.5x scale

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.