Home / 217,622.60-326,396.30-57,699.65

Finding the Fourth Proportional to 217,622.60, 326,396.30 and 57,699.65

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Solution

The fourth proportional to 217,622.60, 326,396.30 and 57,699.65 is: 86,539.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,622.60 : 326,396.30 = 57,699.65 : x
  2. Step 2: Convert to fraction form
    217,622.60/326,396.30 = 57,699.65/x
  3. Step 3: Cross multiply
    217,622.60x = 326,396.30 × 57,699.65
  4. Step 4: Simplify right side
    217,622.60x = 18,832,950,639.31
  5. Step 5: Solve for x
    x = 18,832,950,639.31/217,622.60
  6. Step 6: Final answer
    x = 86,539.50

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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.