Home / 141,249.55-194,925.54-77,588.77

Finding the Fourth Proportional to 141,249.55, 194,925.54 and 77,588.77

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Solution

The fourth proportional to 141,249.55, 194,925.54 and 77,588.77 is: 107,073.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,249.55 : 194,925.54 = 77,588.77 : x
  2. Step 2: Convert to fraction form
    141,249.55/194,925.54 = 77,588.77/x
  3. Step 3: Cross multiply
    141,249.55x = 194,925.54 × 77,588.77
  4. Step 4: Simplify right side
    141,249.55x = 15,124,032,890.19
  5. Step 5: Solve for x
    x = 15,124,032,890.19/141,249.55
  6. Step 6: Final answer
    x = 107,073.14

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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.