Home / 122,722.11-169,353.15-69,005.75

Finding the Fourth Proportional to 122,722.11, 169,353.15 and 69,005.75

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Solution

The fourth proportional to 122,722.11, 169,353.15 and 69,005.75 is: 95,226.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,722.11 : 169,353.15 = 69,005.75 : x
  2. Step 2: Convert to fraction form
    122,722.11/169,353.15 = 69,005.75/x
  3. Step 3: Cross multiply
    122,722.11x = 169,353.15 × 69,005.75
  4. Step 4: Simplify right side
    122,722.11x = 11,686,341,130.61
  5. Step 5: Solve for x
    x = 11,686,341,130.61/122,722.11
  6. Step 6: Final answer
    x = 95,226.04

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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.