Home / 191,816.46-287,464.32-101,836.44

Finding the Fourth Proportional to 191,816.46, 287,464.32 and 101,836.44

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Solution

The fourth proportional to 191,816.46, 287,464.32 and 101,836.44 is: 152,616.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,816.46 : 287,464.32 = 101,836.44 : x
  2. Step 2: Convert to fraction form
    191,816.46/287,464.32 = 101,836.44/x
  3. Step 3: Cross multiply
    191,816.46x = 287,464.32 × 101,836.44
  4. Step 4: Simplify right side
    191,816.46x = 29,274,342,975.82
  5. Step 5: Solve for x
    x = 29,274,342,975.82/191,816.46
  6. Step 6: Final answer
    x = 152,616.43

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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.