Home / 170,624.13-255,936.15-91,629.69

Finding the Fourth Proportional to 170,624.13, 255,936.15 and 91,629.69

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Solution

The fourth proportional to 170,624.13, 255,936.15 and 91,629.69 is: 137,444.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,624.13 : 255,936.15 = 91,629.69 : x
  2. Step 2: Convert to fraction form
    170,624.13/255,936.15 = 91,629.69/x
  3. Step 3: Cross multiply
    170,624.13x = 255,936.15 × 91,629.69
  4. Step 4: Simplify right side
    170,624.13x = 23,451,350,084.29
  5. Step 5: Solve for x
    x = 23,451,350,084.29/170,624.13
  6. Step 6: Final answer
    x = 137,444.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.