Home / 141,962.96-195,908.51-81,537.53

Finding the Fourth Proportional to 141,962.96, 195,908.51 and 81,537.53

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Solution

The fourth proportional to 141,962.96, 195,908.51 and 81,537.53 is: 112,521.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,962.96 : 195,908.51 = 81,537.53 : x
  2. Step 2: Convert to fraction form
    141,962.96/195,908.51 = 81,537.53/x
  3. Step 3: Cross multiply
    141,962.96x = 195,908.51 × 81,537.53
  4. Step 4: Simplify right side
    141,962.96x = 15,973,894,624.15
  5. Step 5: Solve for x
    x = 15,973,894,624.15/141,962.96
  6. Step 6: Final answer
    x = 112,521.57

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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.