Home / 141,701.92-195,566.52-81,271.26

Finding the Fourth Proportional to 141,701.92, 195,566.52 and 81,271.26

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Solution

The fourth proportional to 141,701.92, 195,566.52 and 81,271.26 is: 112,164.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,701.92 : 195,566.52 = 81,271.26 : x
  2. Step 2: Convert to fraction form
    141,701.92/195,566.52 = 81,271.26/x
  3. Step 3: Cross multiply
    141,701.92x = 195,566.52 × 81,271.26
  4. Step 4: Simplify right side
    141,701.92x = 15,893,937,494.22
  5. Step 5: Solve for x
    x = 15,893,937,494.22/141,701.92
  6. Step 6: Final answer
    x = 112,164.59

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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.