Home / 141,943.59-195,882.33-77,412.96

Finding the Fourth Proportional to 141,943.59, 195,882.33 and 77,412.96

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Solution

The fourth proportional to 141,943.59, 195,882.33 and 77,412.96 is: 106,829.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,943.59 : 195,882.33 = 77,412.96 : x
  2. Step 2: Convert to fraction form
    141,943.59/195,882.33 = 77,412.96/x
  3. Step 3: Cross multiply
    141,943.59x = 195,882.33 × 77,412.96
  4. Step 4: Simplify right side
    141,943.59x = 15,163,830,977.00
  5. Step 5: Solve for x
    x = 15,163,830,977.00/141,943.59
  6. Step 6: Final answer
    x = 106,829.98

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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.