Home / 315,067.24-434,775.45-179,082.28

Finding the Fourth Proportional to 315,067.24, 434,775.45 and 179,082.28

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Solution

The fourth proportional to 315,067.24, 434,775.45 and 179,082.28 is: 247,123.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,067.24 : 434,775.45 = 179,082.28 : x
  2. Step 2: Convert to fraction form
    315,067.24/434,775.45 = 179,082.28/x
  3. Step 3: Cross multiply
    315,067.24x = 434,775.45 × 179,082.28
  4. Step 4: Simplify right side
    315,067.24x = 77,860,578,874.03
  5. Step 5: Solve for x
    x = 77,860,578,874.03/315,067.24
  6. Step 6: Final answer
    x = 247,123.69

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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.