Home / 191,974.20-264,909.80-105,936.62

Finding the Fourth Proportional to 191,974.20, 264,909.80 and 105,936.62

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Solution

The fourth proportional to 191,974.20, 264,909.80 and 105,936.62 is: 146,184.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,974.20 : 264,909.80 = 105,936.62 : x
  2. Step 2: Convert to fraction form
    191,974.20/264,909.80 = 105,936.62/x
  3. Step 3: Cross multiply
    191,974.20x = 264,909.80 × 105,936.62
  4. Step 4: Simplify right side
    191,974.20x = 28,063,646,962.64
  5. Step 5: Solve for x
    x = 28,063,646,962.64/191,974.20
  6. Step 6: Final answer
    x = 146,184.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.