Home / 191,822.20-287,625.30-73,497.40

Finding the Fourth Proportional to 191,822.20, 287,625.30 and 73,497.40

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Solution

The fourth proportional to 191,822.20, 287,625.30 and 73,497.40 is: 110,204.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,822.20 : 287,625.30 = 73,497.40 : x
  2. Step 2: Convert to fraction form
    191,822.20/287,625.30 = 73,497.40/x
  3. Step 3: Cross multiply
    191,822.20x = 287,625.30 × 73,497.40
  4. Step 4: Simplify right side
    191,822.20x = 21,139,711,724.22
  5. Step 5: Solve for x
    x = 21,139,711,724.22/191,822.20
  6. Step 6: Final answer
    x = 110,204.72

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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.