Home / 141,621.61-195,441.91-77,095.03

Finding the Fourth Proportional to 141,621.61, 195,441.91 and 77,095.03

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Solution

The fourth proportional to 141,621.61, 195,441.91 and 77,095.03 is: 106,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,621.61 : 195,441.91 = 77,095.03 : x
  2. Step 2: Convert to fraction form
    141,621.61/195,441.91 = 77,095.03/x
  3. Step 3: Cross multiply
    141,621.61x = 195,441.91 × 77,095.03
  4. Step 4: Simplify right side
    141,621.61x = 15,067,598,937.50
  5. Step 5: Solve for x
    x = 15,067,598,937.50/141,621.61
  6. Step 6: Final answer
    x = 106,393.36

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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.