Home / 141,119.70-194,746.62-77,456.10

Finding the Fourth Proportional to 141,119.70, 194,746.62 and 77,456.10

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Solution

The fourth proportional to 141,119.70, 194,746.62 and 77,456.10 is: 106,890.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,119.70 : 194,746.62 = 77,456.10 : x
  2. Step 2: Convert to fraction form
    141,119.70/194,746.62 = 77,456.10/x
  3. Step 3: Cross multiply
    141,119.70x = 194,746.62 × 77,456.10
  4. Step 4: Simplify right side
    141,119.70x = 15,084,313,673.38
  5. Step 5: Solve for x
    x = 15,084,313,673.38/141,119.70
  6. Step 6: Final answer
    x = 106,890.21

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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.