Home / 146,597.20-219,725.70-67,719.40

Finding the Fourth Proportional to 146,597.20, 219,725.70 and 67,719.40

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Solution

The fourth proportional to 146,597.20, 219,725.70 and 67,719.40 is: 101,500.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,597.20 : 219,725.70 = 67,719.40 : x
  2. Step 2: Convert to fraction form
    146,597.20/219,725.70 = 67,719.40/x
  3. Step 3: Cross multiply
    146,597.20x = 219,725.70 × 67,719.40
  4. Step 4: Simplify right side
    146,597.20x = 14,879,692,568.58
  5. Step 5: Solve for x
    x = 14,879,692,568.58/146,597.20
  6. Step 6: Final answer
    x = 101,500.52

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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.