Home / 266,278.08-367,466.69-145,422.93

Finding the Fourth Proportional to 266,278.08, 367,466.69 and 145,422.93

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Solution

The fourth proportional to 266,278.08, 367,466.69 and 145,422.93 is: 200,685.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,278.08 : 367,466.69 = 145,422.93 : x
  2. Step 2: Convert to fraction form
    266,278.08/367,466.69 = 145,422.93/x
  3. Step 3: Cross multiply
    266,278.08x = 367,466.69 × 145,422.93
  4. Step 4: Simplify right side
    266,278.08x = 53,438,082,010.09
  5. Step 5: Solve for x
    x = 53,438,082,010.09/266,278.08
  6. Step 6: Final answer
    x = 200,685.25

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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.