Home / 141,486.69-195,247.52-77,824.47

Finding the Fourth Proportional to 141,486.69, 195,247.52 and 77,824.47

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Solution

The fourth proportional to 141,486.69, 195,247.52 and 77,824.47 is: 107,395.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,486.69 : 195,247.52 = 77,824.47 : x
  2. Step 2: Convert to fraction form
    141,486.69/195,247.52 = 77,824.47/x
  3. Step 3: Cross multiply
    141,486.69x = 195,247.52 × 77,824.47
  4. Step 4: Simplify right side
    141,486.69x = 15,195,034,373.69
  5. Step 5: Solve for x
    x = 15,195,034,373.69/141,486.69
  6. Step 6: Final answer
    x = 107,395.50

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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.