Home / 141,223.96-194,889.54-77,560.12

Finding the Fourth Proportional to 141,223.96, 194,889.54 and 77,560.12

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Solution

The fourth proportional to 141,223.96, 194,889.54 and 77,560.12 is: 107,033.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,223.96 : 194,889.54 = 77,560.12 : x
  2. Step 2: Convert to fraction form
    141,223.96/194,889.54 = 77,560.12/x
  3. Step 3: Cross multiply
    141,223.96x = 194,889.54 × 77,560.12
  4. Step 4: Simplify right side
    141,223.96x = 15,115,656,109.14
  5. Step 5: Solve for x
    x = 15,115,656,109.14/141,223.96
  6. Step 6: Final answer
    x = 107,033.23

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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.