Home / 115,296.77-159,095.39-64,297.55

Finding the Fourth Proportional to 115,296.77, 159,095.39 and 64,297.55

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Solution

The fourth proportional to 115,296.77, 159,095.39 and 64,297.55 is: 88,722.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,296.77 : 159,095.39 = 64,297.55 : x
  2. Step 2: Convert to fraction form
    115,296.77/159,095.39 = 64,297.55/x
  3. Step 3: Cross multiply
    115,296.77x = 159,095.39 × 64,297.55
  4. Step 4: Simplify right side
    115,296.77x = 10,229,442,676.33
  5. Step 5: Solve for x
    x = 10,229,442,676.33/115,296.77
  6. Step 6: Final answer
    x = 88,722.72

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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.