Home / 266,486.13-367,735.20-145,628.34

Finding the Fourth Proportional to 266,486.13, 367,735.20 and 145,628.34

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Solution

The fourth proportional to 266,486.13, 367,735.20 and 145,628.34 is: 200,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,486.13 : 367,735.20 = 145,628.34 : x
  2. Step 2: Convert to fraction form
    266,486.13/367,735.20 = 145,628.34/x
  3. Step 3: Cross multiply
    266,486.13x = 367,735.20 × 145,628.34
  4. Step 4: Simplify right side
    266,486.13x = 53,552,666,735.57
  5. Step 5: Solve for x
    x = 53,552,666,735.57/266,486.13
  6. Step 6: Final answer
    x = 200,958.55

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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.