Home / 143,197.12-214,713.36-59,015.40

Finding the Fourth Proportional to 143,197.12, 214,713.36 and 59,015.40

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Solution

The fourth proportional to 143,197.12, 214,713.36 and 59,015.40 is: 88,489.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,197.12 : 214,713.36 = 59,015.40 : x
  2. Step 2: Convert to fraction form
    143,197.12/214,713.36 = 59,015.40/x
  3. Step 3: Cross multiply
    143,197.12x = 214,713.36 × 59,015.40
  4. Step 4: Simplify right side
    143,197.12x = 12,671,394,825.74
  5. Step 5: Solve for x
    x = 12,671,394,825.74/143,197.12
  6. Step 6: Final answer
    x = 88,489.17

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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.