Home / 189,634.41-284,284.60-77,408.95

Finding the Fourth Proportional to 189,634.41, 284,284.60 and 77,408.95

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Solution

The fourth proportional to 189,634.41, 284,284.60 and 77,408.95 is: 116,045.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,634.41 : 284,284.60 = 77,408.95 : x
  2. Step 2: Convert to fraction form
    189,634.41/284,284.60 = 77,408.95/x
  3. Step 3: Cross multiply
    189,634.41x = 284,284.60 × 77,408.95
  4. Step 4: Simplify right side
    189,634.41x = 22,006,172,387.17
  5. Step 5: Solve for x
    x = 22,006,172,387.17/189,634.41
  6. Step 6: Final answer
    x = 116,045.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.