Home / 143,391.17-215,112.58-59,104.46

Finding the Fourth Proportional to 143,391.17, 215,112.58 and 59,104.46

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Solution

The fourth proportional to 143,391.17, 215,112.58 and 59,104.46 is: 88,667.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,391.17 : 215,112.58 = 59,104.46 : x
  2. Step 2: Convert to fraction form
    143,391.17/215,112.58 = 59,104.46/x
  3. Step 3: Cross multiply
    143,391.17x = 215,112.58 × 59,104.46
  4. Step 4: Simplify right side
    143,391.17x = 12,714,113,270.13
  5. Step 5: Solve for x
    x = 12,714,113,270.13/143,391.17
  6. Step 6: Final answer
    x = 88,667.34

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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.