Home / 156,601.68-216,107.32-88,617.42

Finding the Fourth Proportional to 156,601.68, 216,107.32 and 88,617.42

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Solution

The fourth proportional to 156,601.68, 216,107.32 and 88,617.42 is: 122,290.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,601.68 : 216,107.32 = 88,617.42 : x
  2. Step 2: Convert to fraction form
    156,601.68/216,107.32 = 88,617.42/x
  3. Step 3: Cross multiply
    156,601.68x = 216,107.32 × 88,617.42
  4. Step 4: Simplify right side
    156,601.68x = 19,150,873,141.51
  5. Step 5: Solve for x
    x = 19,150,873,141.51/156,601.68
  6. Step 6: Final answer
    x = 122,290.34

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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.