Home / 219,607.20-329,464.80-61,833.60

Finding the Fourth Proportional to 219,607.20, 329,464.80 and 61,833.60

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Solution

The fourth proportional to 219,607.20, 329,464.80 and 61,833.60 is: 92,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,607.20 : 329,464.80 = 61,833.60 : x
  2. Step 2: Convert to fraction form
    219,607.20/329,464.80 = 61,833.60/x
  3. Step 3: Cross multiply
    219,607.20x = 329,464.80 × 61,833.60
  4. Step 4: Simplify right side
    219,607.20x = 20,371,994,657.28
  5. Step 5: Solve for x
    x = 20,371,994,657.28/219,607.20
  6. Step 6: Final answer
    x = 92,765.60

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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.