Home / 262,016.09-393,107.20-93,532.80

Finding the Fourth Proportional to 262,016.09, 393,107.20 and 93,532.80

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Solution

The fourth proportional to 262,016.09, 393,107.20 and 93,532.80 is: 140,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,016.09 : 393,107.20 = 93,532.80 : x
  2. Step 2: Convert to fraction form
    262,016.09/393,107.20 = 93,532.80/x
  3. Step 3: Cross multiply
    262,016.09x = 393,107.20 × 93,532.80
  4. Step 4: Simplify right side
    262,016.09x = 36,768,417,116.16
  5. Step 5: Solve for x
    x = 36,768,417,116.16/262,016.09
  6. Step 6: Final answer
    x = 140,328.85

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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.