Home / 215,400.24-297,262.08-124,760.16

Finding the Fourth Proportional to 215,400.24, 297,262.08 and 124,760.16

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Solution

The fourth proportional to 215,400.24, 297,262.08 and 124,760.16 is: 172,174.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,400.24 : 297,262.08 = 124,760.16 : x
  2. Step 2: Convert to fraction form
    215,400.24/297,262.08 = 124,760.16/x
  3. Step 3: Cross multiply
    215,400.24x = 297,262.08 × 124,760.16
  4. Step 4: Simplify right side
    215,400.24x = 37,086,464,662.73
  5. Step 5: Solve for x
    x = 37,086,464,662.73/215,400.24
  6. Step 6: Final answer
    x = 172,174.67

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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.