Home / 141,741.85-212,613.06-133,081.33

Finding the Fourth Proportional to 141,741.85, 212,613.06 and 133,081.33

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Solution

The fourth proportional to 141,741.85, 212,613.06 and 133,081.33 is: 199,622.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,741.85 : 212,613.06 = 133,081.33 : x
  2. Step 2: Convert to fraction form
    141,741.85/212,613.06 = 133,081.33/x
  3. Step 3: Cross multiply
    141,741.85x = 212,613.06 × 133,081.33
  4. Step 4: Simplify right side
    141,741.85x = 28,294,828,800.17
  5. Step 5: Solve for x
    x = 28,294,828,800.17/141,741.85
  6. Step 6: Final answer
    x = 199,622.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.