Home / 219,901.32-303,463.86-124,406.04

Finding the Fourth Proportional to 219,901.32, 303,463.86 and 124,406.04

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Solution

The fourth proportional to 219,901.32, 303,463.86 and 124,406.04 is: 171,680.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,901.32 : 303,463.86 = 124,406.04 : x
  2. Step 2: Convert to fraction form
    219,901.32/303,463.86 = 124,406.04/x
  3. Step 3: Cross multiply
    219,901.32x = 303,463.86 × 124,406.04
  4. Step 4: Simplify right side
    219,901.32x = 37,752,737,105.71
  5. Step 5: Solve for x
    x = 37,752,737,105.71/219,901.32
  6. Step 6: Final answer
    x = 171,680.36

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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.