Home / 141,699.25-195,545.01-78,036.94

Finding the Fourth Proportional to 141,699.25, 195,545.01 and 78,036.94

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Solution

The fourth proportional to 141,699.25, 195,545.01 and 78,036.94 is: 107,691.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,699.25 : 195,545.01 = 78,036.94 : x
  2. Step 2: Convert to fraction form
    141,699.25/195,545.01 = 78,036.94/x
  3. Step 3: Cross multiply
    141,699.25x = 195,545.01 × 78,036.94
  4. Step 4: Simplify right side
    141,699.25x = 15,259,734,212.67
  5. Step 5: Solve for x
    x = 15,259,734,212.67/141,699.25
  6. Step 6: Final answer
    x = 107,691.00

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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.