Home / 191,930.45-287,885.30-58,811.11

Finding the Fourth Proportional to 191,930.45, 287,885.30 and 58,811.11

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Solution

The fourth proportional to 191,930.45, 287,885.30 and 58,811.11 is: 88,213.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,930.45 : 287,885.30 = 58,811.11 : x
  2. Step 2: Convert to fraction form
    191,930.45/287,885.30 = 58,811.11/x
  3. Step 3: Cross multiply
    191,930.45x = 287,885.30 × 58,811.11
  4. Step 4: Simplify right side
    191,930.45x = 16,930,853,031.91
  5. Step 5: Solve for x
    x = 16,930,853,031.91/191,930.45
  6. Step 6: Final answer
    x = 88,213.48

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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.