Home / 141,961.41-213,073.34-71,889.93

Finding the Fourth Proportional to 141,961.41, 213,073.34 and 71,889.93

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Solution

The fourth proportional to 141,961.41, 213,073.34 and 71,889.93 is: 107,901.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,961.41 : 213,073.34 = 71,889.93 : x
  2. Step 2: Convert to fraction form
    141,961.41/213,073.34 = 71,889.93/x
  3. Step 3: Cross multiply
    141,961.41x = 213,073.34 × 71,889.93
  4. Step 4: Simplify right side
    141,961.41x = 15,317,827,138.02
  5. Step 5: Solve for x
    x = 15,317,827,138.02/141,961.41
  6. Step 6: Final answer
    x = 107,901.35

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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.