Home / 218,788.20-301,927.91-118,186.20

Finding the Fourth Proportional to 218,788.20, 301,927.91 and 118,186.20

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Solution

The fourth proportional to 218,788.20, 301,927.91 and 118,186.20 is: 163,097.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,788.20 : 301,927.91 = 118,186.20 : x
  2. Step 2: Convert to fraction form
    218,788.20/301,927.91 = 118,186.20/x
  3. Step 3: Cross multiply
    218,788.20x = 301,927.91 × 118,186.20
  4. Step 4: Simplify right side
    218,788.20x = 35,683,711,765.91
  5. Step 5: Solve for x
    x = 35,683,711,765.91/218,788.20
  6. Step 6: Final answer
    x = 163,097.06

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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.