Home / 191,934.72-287,936.64-92,010.24

Finding the Fourth Proportional to 191,934.72, 287,936.64 and 92,010.24

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Solution

The fourth proportional to 191,934.72, 287,936.64 and 92,010.24 is: 138,031.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,934.72 : 287,936.64 = 92,010.24 : x
  2. Step 2: Convert to fraction form
    191,934.72/287,936.64 = 92,010.24/x
  3. Step 3: Cross multiply
    191,934.72x = 287,936.64 × 92,010.24
  4. Step 4: Simplify right side
    191,934.72x = 26,493,119,351.19
  5. Step 5: Solve for x
    x = 26,493,119,351.19/191,934.72
  6. Step 6: Final answer
    x = 138,031.93

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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.