Home / 143,189.46-214,767.51-38,016.60

Finding the Fourth Proportional to 143,189.46, 214,767.51 and 38,016.60

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Solution

The fourth proportional to 143,189.46, 214,767.51 and 38,016.60 is: 57,020.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,189.46 : 214,767.51 = 38,016.60 : x
  2. Step 2: Convert to fraction form
    143,189.46/214,767.51 = 38,016.60/x
  3. Step 3: Cross multiply
    143,189.46x = 214,767.51 × 38,016.60
  4. Step 4: Simplify right side
    143,189.46x = 8,164,730,520.67
  5. Step 5: Solve for x
    x = 8,164,730,520.67/143,189.46
  6. Step 6: Final answer
    x = 57,020.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.