Home / 266,211.85-367,369.56-145,352.76

Finding the Fourth Proportional to 266,211.85, 367,369.56 and 145,352.76

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Solution

The fourth proportional to 266,211.85, 367,369.56 and 145,352.76 is: 200,585.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,211.85 : 367,369.56 = 145,352.76 : x
  2. Step 2: Convert to fraction form
    266,211.85/367,369.56 = 145,352.76/x
  3. Step 3: Cross multiply
    266,211.85x = 367,369.56 × 145,352.76
  4. Step 4: Simplify right side
    266,211.85x = 53,398,179,485.99
  5. Step 5: Solve for x
    x = 53,398,179,485.99/266,211.85
  6. Step 6: Final answer
    x = 200,585.28

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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.