Home / 141,031.93-194,629.13-77,371.60

Finding the Fourth Proportional to 141,031.93, 194,629.13 and 77,371.60

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Solution

The fourth proportional to 141,031.93, 194,629.13 and 77,371.60 is: 106,775.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,031.93 : 194,629.13 = 77,371.60 : x
  2. Step 2: Convert to fraction form
    141,031.93/194,629.13 = 77,371.60/x
  3. Step 3: Cross multiply
    141,031.93x = 194,629.13 × 77,371.60
  4. Step 4: Simplify right side
    141,031.93x = 15,058,767,194.71
  5. Step 5: Solve for x
    x = 15,058,767,194.71/141,031.93
  6. Step 6: Final answer
    x = 106,775.59

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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.