Home / 191,051.28-263,657.16-106,171.92

Finding the Fourth Proportional to 191,051.28, 263,657.16 and 106,171.92

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Solution

The fourth proportional to 191,051.28, 263,657.16 and 106,171.92 is: 146,520.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,051.28 : 263,657.16 = 106,171.92 : x
  2. Step 2: Convert to fraction form
    191,051.28/263,657.16 = 106,171.92/x
  3. Step 3: Cross multiply
    191,051.28x = 263,657.16 × 106,171.92
  4. Step 4: Simplify right side
    191,051.28x = 27,992,986,898.95
  5. Step 5: Solve for x
    x = 27,992,986,898.95/191,051.28
  6. Step 6: Final answer
    x = 146,520.80

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1.5x scale

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.