Home / 266,011.11-367,110.18-145,154.43

Finding the Fourth Proportional to 266,011.11, 367,110.18 and 145,154.43

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Solution

The fourth proportional to 266,011.11, 367,110.18 and 145,154.43 is: 200,321.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,011.11 : 367,110.18 = 145,154.43 : x
  2. Step 2: Convert to fraction form
    266,011.11/367,110.18 = 145,154.43/x
  3. Step 3: Cross multiply
    266,011.11x = 367,110.18 × 145,154.43
  4. Step 4: Simplify right side
    266,011.11x = 53,287,668,925.10
  5. Step 5: Solve for x
    x = 53,287,668,925.10/266,011.11
  6. Step 6: Final answer
    x = 200,321.22

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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.