Home / 141,631.74-195,444.18-81,199.44

Finding the Fourth Proportional to 141,631.74, 195,444.18 and 81,199.44

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Solution

The fourth proportional to 141,631.74, 195,444.18 and 81,199.44 is: 112,050.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,631.74 : 195,444.18 = 81,199.44 : x
  2. Step 2: Convert to fraction form
    141,631.74/195,444.18 = 81,199.44/x
  3. Step 3: Cross multiply
    141,631.74x = 195,444.18 × 81,199.44
  4. Step 4: Simplify right side
    141,631.74x = 15,869,957,967.26
  5. Step 5: Solve for x
    x = 15,869,957,967.26/141,631.74
  6. Step 6: Final answer
    x = 112,050.86

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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.