Home / 100,565.97-150,848.81-25,686.19

Finding the Fourth Proportional to 100,565.97, 150,848.81 and 25,686.19

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Solution

The fourth proportional to 100,565.97, 150,848.81 and 25,686.19 is: 38,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,565.97 : 150,848.81 = 25,686.19 : x
  2. Step 2: Convert to fraction form
    100,565.97/150,848.81 = 25,686.19/x
  3. Step 3: Cross multiply
    100,565.97x = 150,848.81 × 25,686.19
  4. Step 4: Simplify right side
    100,565.97x = 3,874,731,194.93
  5. Step 5: Solve for x
    x = 3,874,731,194.93/100,565.97
  6. Step 6: Final answer
    x = 38,529.25

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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.