Home / 141,348.69-194,996.16-86,851.38

Finding the Fourth Proportional to 141,348.69, 194,996.16 and 86,851.38

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Solution

The fourth proportional to 141,348.69, 194,996.16 and 86,851.38 is: 119,814.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,348.69 : 194,996.16 = 86,851.38 : x
  2. Step 2: Convert to fraction form
    141,348.69/194,996.16 = 86,851.38/x
  3. Step 3: Cross multiply
    141,348.69x = 194,996.16 × 86,851.38
  4. Step 4: Simplify right side
    141,348.69x = 16,935,685,590.70
  5. Step 5: Solve for x
    x = 16,935,685,590.70/141,348.69
  6. Step 6: Final answer
    x = 119,814.95

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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.