Home / 115,174.23-158,886.13-67,398.27

Finding the Fourth Proportional to 115,174.23, 158,886.13 and 67,398.27

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Solution

The fourth proportional to 115,174.23, 158,886.13 and 67,398.27 is: 92,977.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,174.23 : 158,886.13 = 67,398.27 : x
  2. Step 2: Convert to fraction form
    115,174.23/158,886.13 = 67,398.27/x
  3. Step 3: Cross multiply
    115,174.23x = 158,886.13 × 67,398.27
  4. Step 4: Simplify right side
    115,174.23x = 10,708,650,289.00
  5. Step 5: Solve for x
    x = 10,708,650,289.00/115,174.23
  6. Step 6: Final answer
    x = 92,977.83

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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.