Home / 215,984.79-323,955.32-58,229.19

Finding the Fourth Proportional to 215,984.79, 323,955.32 and 58,229.19

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Solution

The fourth proportional to 215,984.79, 323,955.32 and 58,229.19 is: 87,337.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,984.79 : 323,955.32 = 58,229.19 : x
  2. Step 2: Convert to fraction form
    215,984.79/323,955.32 = 58,229.19/x
  3. Step 3: Cross multiply
    215,984.79x = 323,955.32 × 58,229.19
  4. Step 4: Simplify right side
    215,984.79x = 18,863,655,588.64
  5. Step 5: Solve for x
    x = 18,863,655,588.64/215,984.79
  6. Step 6: Final answer
    x = 87,337.89

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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.