Home / 403,150.14-556,370.19-231,096.78

Finding the Fourth Proportional to 403,150.14, 556,370.19 and 231,096.78

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Solution

The fourth proportional to 403,150.14, 556,370.19 and 231,096.78 is: 318,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,150.14 : 556,370.19 = 231,096.78 : x
  2. Step 2: Convert to fraction form
    403,150.14/556,370.19 = 231,096.78/x
  3. Step 3: Cross multiply
    403,150.14x = 556,370.19 × 231,096.78
  4. Step 4: Simplify right side
    403,150.14x = 128,575,359,396.99
  5. Step 5: Solve for x
    x = 128,575,359,396.99/403,150.14
  6. Step 6: Final answer
    x = 318,926.74

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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.