Home / 268,069.20-402,016.31-118,303.44

Finding the Fourth Proportional to 268,069.20, 402,016.31 and 118,303.44

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Solution

The fourth proportional to 268,069.20, 402,016.31 and 118,303.44 is: 177,416.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,069.20 : 402,016.31 = 118,303.44 : x
  2. Step 2: Convert to fraction form
    268,069.20/402,016.31 = 118,303.44/x
  3. Step 3: Cross multiply
    268,069.20x = 402,016.31 × 118,303.44
  4. Step 4: Simplify right side
    268,069.20x = 47,559,912,409.11
  5. Step 5: Solve for x
    x = 47,559,912,409.11/268,069.20
  6. Step 6: Final answer
    x = 177,416.55

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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.