Home / 141,606.42-195,409.44-77,932.05

Finding the Fourth Proportional to 141,606.42, 195,409.44 and 77,932.05

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Solution

The fourth proportional to 141,606.42, 195,409.44 and 77,932.05 is: 107,542.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,606.42 : 195,409.44 = 77,932.05 : x
  2. Step 2: Convert to fraction form
    141,606.42/195,409.44 = 77,932.05/x
  3. Step 3: Cross multiply
    141,606.42x = 195,409.44 × 77,932.05
  4. Step 4: Simplify right side
    141,606.42x = 15,228,658,248.55
  5. Step 5: Solve for x
    x = 15,228,658,248.55/141,606.42
  6. Step 6: Final answer
    x = 107,542.15

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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.