Home / 191,727.60-287,566.20-58,621.20

Finding the Fourth Proportional to 191,727.60, 287,566.20 and 58,621.20

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Solution

The fourth proportional to 191,727.60, 287,566.20 and 58,621.20 is: 87,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,727.60 : 287,566.20 = 58,621.20 : x
  2. Step 2: Convert to fraction form
    191,727.60/287,566.20 = 58,621.20/x
  3. Step 3: Cross multiply
    191,727.60x = 287,566.20 × 58,621.20
  4. Step 4: Simplify right side
    191,727.60x = 16,857,475,723.44
  5. Step 5: Solve for x
    x = 16,857,475,723.44/191,727.60
  6. Step 6: Final answer
    x = 87,924.10

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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.