Home / 191,267.31-263,948.99-106,382.55

Finding the Fourth Proportional to 191,267.31, 263,948.99 and 106,382.55

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Solution

The fourth proportional to 191,267.31, 263,948.99 and 106,382.55 is: 146,807.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,267.31 : 263,948.99 = 106,382.55 : x
  2. Step 2: Convert to fraction form
    191,267.31/263,948.99 = 106,382.55/x
  3. Step 3: Cross multiply
    191,267.31x = 263,948.99 × 106,382.55
  4. Step 4: Simplify right side
    191,267.31x = 28,079,566,626.12
  5. Step 5: Solve for x
    x = 28,079,566,626.12/191,267.31
  6. Step 6: Final answer
    x = 146,807.98

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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.