Home / 217,539.12-326,318.40-59,768.96

Finding the Fourth Proportional to 217,539.12, 326,318.40 and 59,768.96

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Solution

The fourth proportional to 217,539.12, 326,318.40 and 59,768.96 is: 89,656.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,539.12 : 326,318.40 = 59,768.96 : x
  2. Step 2: Convert to fraction form
    217,539.12/326,318.40 = 59,768.96/x
  3. Step 3: Cross multiply
    217,539.12x = 326,318.40 × 59,768.96
  4. Step 4: Simplify right side
    217,539.12x = 19,503,711,396.86
  5. Step 5: Solve for x
    x = 19,503,711,396.86/217,539.12
  6. Step 6: Final answer
    x = 89,656.11

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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.