Home / 189,646.94-284,369.28-82,905.95

Finding the Fourth Proportional to 189,646.94, 284,369.28 and 82,905.95

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Solution

The fourth proportional to 189,646.94, 284,369.28 and 82,905.95 is: 124,314.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,646.94 : 284,369.28 = 82,905.95 : x
  2. Step 2: Convert to fraction form
    189,646.94/284,369.28 = 82,905.95/x
  3. Step 3: Cross multiply
    189,646.94x = 284,369.28 × 82,905.95
  4. Step 4: Simplify right side
    189,646.94x = 23,575,903,887.37
  5. Step 5: Solve for x
    x = 23,575,903,887.37/189,646.94
  6. Step 6: Final answer
    x = 124,314.71

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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.