Home / 106,768.60-147,340.62-64,335.33

Finding the Fourth Proportional to 106,768.60, 147,340.62 and 64,335.33

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Solution

The fourth proportional to 106,768.60, 147,340.62 and 64,335.33 is: 88,782.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,768.60 : 147,340.62 = 64,335.33 : x
  2. Step 2: Convert to fraction form
    106,768.60/147,340.62 = 64,335.33/x
  3. Step 3: Cross multiply
    106,768.60x = 147,340.62 × 64,335.33
  4. Step 4: Simplify right side
    106,768.60x = 9,479,207,410.10
  5. Step 5: Solve for x
    x = 9,479,207,410.10/106,768.60
  6. Step 6: Final answer
    x = 88,782.73

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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.