Home / 150,405.12-225,607.68-39,613.44

Finding the Fourth Proportional to 150,405.12, 225,607.68 and 39,613.44

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Solution

The fourth proportional to 150,405.12, 225,607.68 and 39,613.44 is: 59,420.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,405.12 : 225,607.68 = 39,613.44 : x
  2. Step 2: Convert to fraction form
    150,405.12/225,607.68 = 39,613.44/x
  3. Step 3: Cross multiply
    150,405.12x = 225,607.68 × 39,613.44
  4. Step 4: Simplify right side
    150,405.12x = 8,937,096,295.22
  5. Step 5: Solve for x
    x = 8,937,096,295.22/150,405.12
  6. Step 6: Final answer
    x = 59,420.16

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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.