Home / 217,732.20-326,598.32-67,985.32

Finding the Fourth Proportional to 217,732.20, 326,598.32 and 67,985.32

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Solution

The fourth proportional to 217,732.20, 326,598.32 and 67,985.32 is: 101,977.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,732.20 : 326,598.32 = 67,985.32 : x
  2. Step 2: Convert to fraction form
    217,732.20/326,598.32 = 67,985.32/x
  3. Step 3: Cross multiply
    217,732.20x = 326,598.32 × 67,985.32
  4. Step 4: Simplify right side
    217,732.20x = 22,203,890,650.13
  5. Step 5: Solve for x
    x = 22,203,890,650.13/217,732.20
  6. Step 6: Final answer
    x = 101,977.98

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1.5x scale

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.