Home / 141,314.96-195,016.92-80,885.36

Finding the Fourth Proportional to 141,314.96, 195,016.92 and 80,885.36

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Solution

The fourth proportional to 141,314.96, 195,016.92 and 80,885.36 is: 111,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,314.96 : 195,016.92 = 80,885.36 : x
  2. Step 2: Convert to fraction form
    141,314.96/195,016.92 = 80,885.36/x
  3. Step 3: Cross multiply
    141,314.96x = 195,016.92 × 80,885.36
  4. Step 4: Simplify right side
    141,314.96x = 15,774,013,780.29
  5. Step 5: Solve for x
    x = 15,774,013,780.29/141,314.96
  6. Step 6: Final answer
    x = 111,623.10

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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.