Home / 189,920.41-284,749.39-83,253.13

Finding the Fourth Proportional to 189,920.41, 284,749.39 and 83,253.13

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Solution

The fourth proportional to 189,920.41, 284,749.39 and 83,253.13 is: 124,822.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,920.41 : 284,749.39 = 83,253.13 : x
  2. Step 2: Convert to fraction form
    189,920.41/284,749.39 = 83,253.13/x
  3. Step 3: Cross multiply
    189,920.41x = 284,749.39 × 83,253.13
  4. Step 4: Simplify right side
    189,920.41x = 23,706,277,983.09
  5. Step 5: Solve for x
    x = 23,706,277,983.09/189,920.41
  6. Step 6: Final answer
    x = 124,822.17

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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.