Home / 235,589.90-353,380.28-67,111.32

Finding the Fourth Proportional to 235,589.90, 353,380.28 and 67,111.32

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Solution

The fourth proportional to 235,589.90, 353,380.28 and 67,111.32 is: 100,665.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,589.90 : 353,380.28 = 67,111.32 : x
  2. Step 2: Convert to fraction form
    235,589.90/353,380.28 = 67,111.32/x
  3. Step 3: Cross multiply
    235,589.90x = 353,380.28 × 67,111.32
  4. Step 4: Simplify right side
    235,589.90x = 23,715,817,052.77
  5. Step 5: Solve for x
    x = 23,715,817,052.77/235,589.90
  6. Step 6: Final answer
    x = 100,665.68

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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.