Home / 266,144.64-367,280.34-145,286.04

Finding the Fourth Proportional to 266,144.64, 367,280.34 and 145,286.04

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Solution

The fourth proportional to 266,144.64, 367,280.34 and 145,286.04 is: 200,495.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,144.64 : 367,280.34 = 145,286.04 : x
  2. Step 2: Convert to fraction form
    266,144.64/367,280.34 = 145,286.04/x
  3. Step 3: Cross multiply
    266,144.64x = 367,280.34 × 145,286.04
  4. Step 4: Simplify right side
    266,144.64x = 53,360,706,168.45
  5. Step 5: Solve for x
    x = 53,360,706,168.45/266,144.64
  6. Step 6: Final answer
    x = 200,495.14

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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.