Home / 107,112.30-159,710.83-104,169.66

Finding the Fourth Proportional to 107,112.30, 159,710.83 and 104,169.66

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Solution

The fourth proportional to 107,112.30, 159,710.83 and 104,169.66 is: 155,323.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,112.30 : 159,710.83 = 104,169.66 : x
  2. Step 2: Convert to fraction form
    107,112.30/159,710.83 = 104,169.66/x
  3. Step 3: Cross multiply
    107,112.30x = 159,710.83 × 104,169.66
  4. Step 4: Simplify right side
    107,112.30x = 16,637,022,859.42
  5. Step 5: Solve for x
    x = 16,637,022,859.42/107,112.30
  6. Step 6: Final answer
    x = 155,323.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.