Home / 191,141.44-263,752.14-105,086.20

Finding the Fourth Proportional to 191,141.44, 263,752.14 and 105,086.20

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Solution

The fourth proportional to 191,141.44, 263,752.14 and 105,086.20 is: 145,006.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,141.44 : 263,752.14 = 105,086.20 : x
  2. Step 2: Convert to fraction form
    191,141.44/263,752.14 = 105,086.20/x
  3. Step 3: Cross multiply
    191,141.44x = 263,752.14 × 105,086.20
  4. Step 4: Simplify right side
    191,141.44x = 27,716,710,134.47
  5. Step 5: Solve for x
    x = 27,716,710,134.47/191,141.44
  6. Step 6: Final answer
    x = 145,006.29

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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.