Home / 266,225.54-367,406.12-145,378.04

Finding the Fourth Proportional to 266,225.54, 367,406.12 and 145,378.04

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Solution

The fourth proportional to 266,225.54, 367,406.12 and 145,378.04 is: 200,629.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,225.54 : 367,406.12 = 145,378.04 : x
  2. Step 2: Convert to fraction form
    266,225.54/367,406.12 = 145,378.04/x
  3. Step 3: Cross multiply
    266,225.54x = 367,406.12 × 145,378.04
  4. Step 4: Simplify right side
    266,225.54x = 53,412,781,609.60
  5. Step 5: Solve for x
    x = 53,412,781,609.60/266,225.54
  6. Step 6: Final answer
    x = 200,629.82

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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.