Home / 159,835.06-220,571.29-88,215.08

Finding the Fourth Proportional to 159,835.06, 220,571.29 and 88,215.08

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Solution

The fourth proportional to 159,835.06, 220,571.29 and 88,215.08 is: 121,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,835.06 : 220,571.29 = 88,215.08 : x
  2. Step 2: Convert to fraction form
    159,835.06/220,571.29 = 88,215.08/x
  3. Step 3: Cross multiply
    159,835.06x = 220,571.29 × 88,215.08
  4. Step 4: Simplify right side
    159,835.06x = 19,457,713,055.64
  5. Step 5: Solve for x
    x = 19,457,713,055.64/159,835.06
  6. Step 6: Final answer
    x = 121,736.21

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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.