Home / 437,639.22-656,569.49-122,095.89

Finding the Fourth Proportional to 437,639.22, 656,569.49 and 122,095.89

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Solution

The fourth proportional to 437,639.22, 656,569.49 and 122,095.89 is: 183,174.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,639.22 : 656,569.49 = 122,095.89 : x
  2. Step 2: Convert to fraction form
    437,639.22/656,569.49 = 122,095.89/x
  3. Step 3: Cross multiply
    437,639.22x = 656,569.49 × 122,095.89
  4. Step 4: Simplify right side
    437,639.22x = 80,164,435,617.92
  5. Step 5: Solve for x
    x = 80,164,435,617.92/437,639.22
  6. Step 6: Final answer
    x = 183,174.71

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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.