Home / 267,623.08-369,336.18-154,453.12

Finding the Fourth Proportional to 267,623.08, 369,336.18 and 154,453.12

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Solution

The fourth proportional to 267,623.08, 369,336.18 and 154,453.12 is: 213,154.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,623.08 : 369,336.18 = 154,453.12 : x
  2. Step 2: Convert to fraction form
    267,623.08/369,336.18 = 154,453.12/x
  3. Step 3: Cross multiply
    267,623.08x = 369,336.18 × 154,453.12
  4. Step 4: Simplify right side
    267,623.08x = 57,045,125,329.88
  5. Step 5: Solve for x
    x = 57,045,125,329.88/267,623.08
  6. Step 6: Final answer
    x = 213,154.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.