Home / 268,453.32-402,617.76-118,611.96

Finding the Fourth Proportional to 268,453.32, 402,617.76 and 118,611.96

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Solution

The fourth proportional to 268,453.32, 402,617.76 and 118,611.96 is: 177,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,453.32 : 402,617.76 = 118,611.96 : x
  2. Step 2: Convert to fraction form
    268,453.32/402,617.76 = 118,611.96/x
  3. Step 3: Cross multiply
    268,453.32x = 402,617.76 × 118,611.96
  4. Step 4: Simplify right side
    268,453.32x = 47,755,281,644.41
  5. Step 5: Solve for x
    x = 47,755,281,644.41/268,453.32
  6. Step 6: Final answer
    x = 177,890.45

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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.