Home / 230,455.20-318,174.96-188,114.40

Finding the Fourth Proportional to 230,455.20, 318,174.96 and 188,114.40

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Solution

The fourth proportional to 230,455.20, 318,174.96 and 188,114.40 is: 259,717.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,455.20 : 318,174.96 = 188,114.40 : x
  2. Step 2: Convert to fraction form
    230,455.20/318,174.96 = 188,114.40/x
  3. Step 3: Cross multiply
    230,455.20x = 318,174.96 × 188,114.40
  4. Step 4: Simplify right side
    230,455.20x = 59,853,291,695.42
  5. Step 5: Solve for x
    x = 59,853,291,695.42/230,455.20
  6. Step 6: Final answer
    x = 259,717.69

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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.