Home / 266,575.12-367,873.66-145,716.90

Finding the Fourth Proportional to 266,575.12, 367,873.66 and 145,716.90

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Solution

The fourth proportional to 266,575.12, 367,873.66 and 145,716.90 is: 201,089.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,575.12 : 367,873.66 = 145,716.90 : x
  2. Step 2: Convert to fraction form
    266,575.12/367,873.66 = 145,716.90/x
  3. Step 3: Cross multiply
    266,575.12x = 367,873.66 × 145,716.90
  4. Step 4: Simplify right side
    266,575.12x = 53,605,409,326.85
  5. Step 5: Solve for x
    x = 53,605,409,326.85/266,575.12
  6. Step 6: Final answer
    x = 201,089.32

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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.