Home / 141,281.69-194,997.38-86,809.05

Finding the Fourth Proportional to 141,281.69, 194,997.38 and 86,809.05

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Solution

The fourth proportional to 141,281.69, 194,997.38 and 86,809.05 is: 119,814.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,281.69 : 194,997.38 = 86,809.05 : x
  2. Step 2: Convert to fraction form
    141,281.69/194,997.38 = 86,809.05/x
  3. Step 3: Cross multiply
    141,281.69x = 194,997.38 × 86,809.05
  4. Step 4: Simplify right side
    141,281.69x = 16,927,536,876.24
  5. Step 5: Solve for x
    x = 16,927,536,876.24/141,281.69
  6. Step 6: Final answer
    x = 119,814.09

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1.5x scale

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.