Home / 141,031.77-194,637.08-80,590.61

Finding the Fourth Proportional to 141,031.77, 194,637.08 and 80,590.61

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Solution

The fourth proportional to 141,031.77, 194,637.08 and 80,590.61 is: 111,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,031.77 : 194,637.08 = 80,590.61 : x
  2. Step 2: Convert to fraction form
    141,031.77/194,637.08 = 80,590.61/x
  3. Step 3: Cross multiply
    141,031.77x = 194,637.08 × 80,590.61
  4. Step 4: Simplify right side
    141,031.77x = 15,685,920,419.44
  5. Step 5: Solve for x
    x = 15,685,920,419.44/141,031.77
  6. Step 6: Final answer
    x = 111,222.60

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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.