Home / 266,191.12-367,334.10-145,330.18

Finding the Fourth Proportional to 266,191.12, 367,334.10 and 145,330.18

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Solution

The fourth proportional to 266,191.12, 367,334.10 and 145,330.18 is: 200,550.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,191.12 : 367,334.10 = 145,330.18 : x
  2. Step 2: Convert to fraction form
    266,191.12/367,334.10 = 145,330.18/x
  3. Step 3: Cross multiply
    266,191.12x = 367,334.10 × 145,330.18
  4. Step 4: Simplify right side
    266,191.12x = 53,384,730,873.14
  5. Step 5: Solve for x
    x = 53,384,730,873.14/266,191.12
  6. Step 6: Final answer
    x = 200,550.38

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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.