Home / 141,030.19-194,618.28-77,367.43

Finding the Fourth Proportional to 141,030.19, 194,618.28 and 77,367.43

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Solution

The fourth proportional to 141,030.19, 194,618.28 and 77,367.43 is: 106,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,030.19 : 194,618.28 = 77,367.43 : x
  2. Step 2: Convert to fraction form
    141,030.19/194,618.28 = 77,367.43/x
  3. Step 3: Cross multiply
    141,030.19x = 194,618.28 × 77,367.43
  4. Step 4: Simplify right side
    141,030.19x = 15,057,116,154.62
  5. Step 5: Solve for x
    x = 15,057,116,154.62/141,030.19
  6. Step 6: Final answer
    x = 106,765.20

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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.