Home / 141,031.44-194,628.45-77,371.11

Finding the Fourth Proportional to 141,031.44, 194,628.45 and 77,371.11

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Solution

The fourth proportional to 141,031.44, 194,628.45 and 77,371.11 is: 106,774.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,031.44 : 194,628.45 = 77,371.11 : x
  2. Step 2: Convert to fraction form
    141,031.44/194,628.45 = 77,371.11/x
  3. Step 3: Cross multiply
    141,031.44x = 194,628.45 × 77,371.11
  4. Step 4: Simplify right side
    141,031.44x = 15,058,619,214.08
  5. Step 5: Solve for x
    x = 15,058,619,214.08/141,031.44
  6. Step 6: Final answer
    x = 106,774.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.