Home / 219,313.20-329,002.20-69,567.60

Finding the Fourth Proportional to 219,313.20, 329,002.20 and 69,567.60

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Solution

The fourth proportional to 219,313.20, 329,002.20 and 69,567.60 is: 104,361.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,313.20 : 329,002.20 = 69,567.60 : x
  2. Step 2: Convert to fraction form
    219,313.20/329,002.20 = 69,567.60/x
  3. Step 3: Cross multiply
    219,313.20x = 329,002.20 × 69,567.60
  4. Step 4: Simplify right side
    219,313.20x = 22,887,893,448.72
  5. Step 5: Solve for x
    x = 22,887,893,448.72/219,313.20
  6. Step 6: Final answer
    x = 104,361.68

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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.