Home / 266,213.18-367,383.42-151,509.12

Finding the Fourth Proportional to 266,213.18, 367,383.42 and 151,509.12

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Solution

The fourth proportional to 266,213.18, 367,383.42 and 151,509.12 is: 209,087.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,213.18 : 367,383.42 = 151,509.12 : x
  2. Step 2: Convert to fraction form
    266,213.18/367,383.42 = 151,509.12/x
  3. Step 3: Cross multiply
    266,213.18x = 367,383.42 × 151,509.12
  4. Step 4: Simplify right side
    266,213.18x = 55,661,938,666.79
  5. Step 5: Solve for x
    x = 55,661,938,666.79/266,213.18
  6. Step 6: Final answer
    x = 209,087.84

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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.