Home / 143,202.12-214,720.88-59,020.40

Finding the Fourth Proportional to 143,202.12, 214,720.88 and 59,020.40

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Solution

The fourth proportional to 143,202.12, 214,720.88 and 59,020.40 is: 88,496.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,202.12 : 214,720.88 = 59,020.40 : x
  2. Step 2: Convert to fraction form
    143,202.12/214,720.88 = 59,020.40/x
  3. Step 3: Cross multiply
    143,202.12x = 214,720.88 × 59,020.40
  4. Step 4: Simplify right side
    143,202.12x = 12,672,912,225.95
  5. Step 5: Solve for x
    x = 12,672,912,225.95/143,202.12
  6. Step 6: Final answer
    x = 88,496.68

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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.