Home / 120,264.96-166,012.16-107,667.84

Finding the Fourth Proportional to 120,264.96, 166,012.16 and 107,667.84

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Solution

The fourth proportional to 120,264.96, 166,012.16 and 107,667.84 is: 148,623.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,264.96 : 166,012.16 = 107,667.84 : x
  2. Step 2: Convert to fraction form
    120,264.96/166,012.16 = 107,667.84/x
  3. Step 3: Cross multiply
    120,264.96x = 166,012.16 × 107,667.84
  4. Step 4: Simplify right side
    120,264.96x = 17,874,170,680.93
  5. Step 5: Solve for x
    x = 17,874,170,680.93/120,264.96
  6. Step 6: Final answer
    x = 148,623.26

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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.