Home / 288,105.24-397,622.84-160,807.26

Finding the Fourth Proportional to 288,105.24, 397,622.84 and 160,807.26

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Solution

The fourth proportional to 288,105.24, 397,622.84 and 160,807.26 is: 221,935.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,105.24 : 397,622.84 = 160,807.26 : x
  2. Step 2: Convert to fraction form
    288,105.24/397,622.84 = 160,807.26/x
  3. Step 3: Cross multiply
    288,105.24x = 397,622.84 × 160,807.26
  4. Step 4: Simplify right side
    288,105.24x = 63,940,639,413.82
  5. Step 5: Solve for x
    x = 63,940,639,413.82/288,105.24
  6. Step 6: Final answer
    x = 221,935.01

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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.