Home / 191,926.20-287,781.30-73,601.40

Finding the Fourth Proportional to 191,926.20, 287,781.30 and 73,601.40

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Solution

The fourth proportional to 191,926.20, 287,781.30 and 73,601.40 is: 110,360.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,926.20 : 287,781.30 = 73,601.40 : x
  2. Step 2: Convert to fraction form
    191,926.20/287,781.30 = 73,601.40/x
  3. Step 3: Cross multiply
    191,926.20x = 287,781.30 × 73,601.40
  4. Step 4: Simplify right side
    191,926.20x = 21,181,106,573.82
  5. Step 5: Solve for x
    x = 21,181,106,573.82/191,926.20
  6. Step 6: Final answer
    x = 110,360.68

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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.