Home / 141,089.88-194,703.36-76,559.10

Finding the Fourth Proportional to 141,089.88, 194,703.36 and 76,559.10

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Solution

The fourth proportional to 141,089.88, 194,703.36 and 76,559.10 is: 105,651.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,089.88 : 194,703.36 = 76,559.10 : x
  2. Step 2: Convert to fraction form
    141,089.88/194,703.36 = 76,559.10/x
  3. Step 3: Cross multiply
    141,089.88x = 194,703.36 × 76,559.10
  4. Step 4: Simplify right side
    141,089.88x = 14,906,314,008.58
  5. Step 5: Solve for x
    x = 14,906,314,008.58/141,089.88
  6. Step 6: Final answer
    x = 105,651.19

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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.