Home / 111,976.92-154,548.30-64,246.08

Finding the Fourth Proportional to 111,976.92, 154,548.30 and 64,246.08

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Solution

The fourth proportional to 111,976.92, 154,548.30 and 64,246.08 is: 88,671.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,976.92 : 154,548.30 = 64,246.08 : x
  2. Step 2: Convert to fraction form
    111,976.92/154,548.30 = 64,246.08/x
  3. Step 3: Cross multiply
    111,976.92x = 154,548.30 × 64,246.08
  4. Step 4: Simplify right side
    111,976.92x = 9,929,122,445.66
  5. Step 5: Solve for x
    x = 9,929,122,445.66/111,976.92
  6. Step 6: Final answer
    x = 88,671.15

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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.