Home / 159,246.08-219,754.80-87,626.24

Finding the Fourth Proportional to 159,246.08, 219,754.80 and 87,626.24

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Solution

The fourth proportional to 159,246.08, 219,754.80 and 87,626.24 is: 120,921.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,246.08 : 219,754.80 = 87,626.24 : x
  2. Step 2: Convert to fraction form
    159,246.08/219,754.80 = 87,626.24/x
  3. Step 3: Cross multiply
    159,246.08x = 219,754.80 × 87,626.24
  4. Step 4: Simplify right side
    159,246.08x = 19,256,286,845.95
  5. Step 5: Solve for x
    x = 19,256,286,845.95/159,246.08
  6. Step 6: Final answer
    x = 120,921.58

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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.