Home / 141,216.26-194,881.80-77,555.42

Finding the Fourth Proportional to 141,216.26, 194,881.80 and 77,555.42

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Solution

The fourth proportional to 141,216.26, 194,881.80 and 77,555.42 is: 107,028.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,216.26 : 194,881.80 = 77,555.42 : x
  2. Step 2: Convert to fraction form
    141,216.26/194,881.80 = 77,555.42/x
  3. Step 3: Cross multiply
    141,216.26x = 194,881.80 × 77,555.42
  4. Step 4: Simplify right side
    141,216.26x = 15,114,139,849.36
  5. Step 5: Solve for x
    x = 15,114,139,849.36/141,216.26
  6. Step 6: Final answer
    x = 107,028.33

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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.