Home / 235,902.15-352,142.88-218,341.25

Finding the Fourth Proportional to 235,902.15, 352,142.88 and 218,341.25

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Solution

The fourth proportional to 235,902.15, 352,142.88 and 218,341.25 is: 325,928.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,902.15 : 352,142.88 = 218,341.25 : x
  2. Step 2: Convert to fraction form
    235,902.15/352,142.88 = 218,341.25/x
  3. Step 3: Cross multiply
    235,902.15x = 352,142.88 × 218,341.25
  4. Step 4: Simplify right side
    235,902.15x = 76,887,314,837.09
  5. Step 5: Solve for x
    x = 76,887,314,837.09/235,902.15
  6. Step 6: Final answer
    x = 325,928.84

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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.