Home / 141,207.67-194,867.82-77,545.90

Finding the Fourth Proportional to 141,207.67, 194,867.82 and 77,545.90

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Solution

The fourth proportional to 141,207.67, 194,867.82 and 77,545.90 is: 107,014.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,207.67 : 194,867.82 = 77,545.90 : x
  2. Step 2: Convert to fraction form
    141,207.67/194,867.82 = 77,545.90/x
  3. Step 3: Cross multiply
    141,207.67x = 194,867.82 × 77,545.90
  4. Step 4: Simplify right side
    141,207.67x = 15,111,200,482.94
  5. Step 5: Solve for x
    x = 15,111,200,482.94/141,207.67
  6. Step 6: Final answer
    x = 107,014.02

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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.