Home / 158,677.15-218,917.00-104,258.63

Finding the Fourth Proportional to 158,677.15, 218,917.00 and 104,258.63

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Solution

The fourth proportional to 158,677.15, 218,917.00 and 104,258.63 is: 143,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,677.15 : 218,917.00 = 104,258.63 : x
  2. Step 2: Convert to fraction form
    158,677.15/218,917.00 = 104,258.63/x
  3. Step 3: Cross multiply
    158,677.15x = 218,917.00 × 104,258.63
  4. Step 4: Simplify right side
    158,677.15x = 22,823,986,843.04
  5. Step 5: Solve for x
    x = 22,823,986,843.04/158,677.15
  6. Step 6: Final answer
    x = 143,839.15

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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.