Home / 216,451.30-324,646.50-74,294.23

Finding the Fourth Proportional to 216,451.30, 324,646.50 and 74,294.23

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Solution

The fourth proportional to 216,451.30, 324,646.50 and 74,294.23 is: 111,430.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,451.30 : 324,646.50 = 74,294.23 : x
  2. Step 2: Convert to fraction form
    216,451.30/324,646.50 = 74,294.23/x
  3. Step 3: Cross multiply
    216,451.30x = 324,646.50 × 74,294.23
  4. Step 4: Simplify right side
    216,451.30x = 24,119,361,739.70
  5. Step 5: Solve for x
    x = 24,119,361,739.70/216,451.30
  6. Step 6: Final answer
    x = 111,430.89

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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.