Home / 141,086.04-194,701.11-77,429.76

Finding the Fourth Proportional to 141,086.04, 194,701.11 and 77,429.76

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Solution

The fourth proportional to 141,086.04, 194,701.11 and 77,429.76 is: 106,854.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,086.04 : 194,701.11 = 77,429.76 : x
  2. Step 2: Convert to fraction form
    141,086.04/194,701.11 = 77,429.76/x
  3. Step 3: Cross multiply
    141,086.04x = 194,701.11 × 77,429.76
  4. Step 4: Simplify right side
    141,086.04x = 15,075,660,219.03
  5. Step 5: Solve for x
    x = 15,075,660,219.03/141,086.04
  6. Step 6: Final answer
    x = 106,854.37

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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.