Home / 472,128.24-708,302.85-187,834.87

Finding the Fourth Proportional to 472,128.24, 708,302.85 and 187,834.87

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Solution

The fourth proportional to 472,128.24, 708,302.85 and 187,834.87 is: 281,796.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,128.24 : 708,302.85 = 187,834.87 : x
  2. Step 2: Convert to fraction form
    472,128.24/708,302.85 = 187,834.87/x
  3. Step 3: Cross multiply
    472,128.24x = 708,302.85 × 187,834.87
  4. Step 4: Simplify right side
    472,128.24x = 133,043,972,811.21
  5. Step 5: Solve for x
    x = 133,043,972,811.21/472,128.24
  6. Step 6: Final answer
    x = 281,796.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.