Home / 120,652.26-166,507.98-69,667.13

Finding the Fourth Proportional to 120,652.26, 166,507.98 and 69,667.13

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Solution

The fourth proportional to 120,652.26, 166,507.98 and 69,667.13 is: 96,145.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,652.26 : 166,507.98 = 69,667.13 : x
  2. Step 2: Convert to fraction form
    120,652.26/166,507.98 = 69,667.13/x
  3. Step 3: Cross multiply
    120,652.26x = 166,507.98 × 69,667.13
  4. Step 4: Simplify right side
    120,652.26x = 11,600,133,088.70
  5. Step 5: Solve for x
    x = 11,600,133,088.70/120,652.26
  6. Step 6: Final answer
    x = 96,145.18

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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.