Home / 191,865.05-287,633.46-73,621.25

Finding the Fourth Proportional to 191,865.05, 287,633.46 and 73,621.25

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Solution

The fourth proportional to 191,865.05, 287,633.46 and 73,621.25 is: 110,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,865.05 : 287,633.46 = 73,621.25 : x
  2. Step 2: Convert to fraction form
    191,865.05/287,633.46 = 73,621.25/x
  3. Step 3: Cross multiply
    191,865.05x = 287,633.46 × 73,621.25
  4. Step 4: Simplify right side
    191,865.05x = 21,175,934,867.03
  5. Step 5: Solve for x
    x = 21,175,934,867.03/191,865.05
  6. Step 6: Final answer
    x = 110,368.90

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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.