Home / 158,957.91-219,361.23-90,974.52

Finding the Fourth Proportional to 158,957.91, 219,361.23 and 90,974.52

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Solution

The fourth proportional to 158,957.91, 219,361.23 and 90,974.52 is: 125,544.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,957.91 : 219,361.23 = 90,974.52 : x
  2. Step 2: Convert to fraction form
    158,957.91/219,361.23 = 90,974.52/x
  3. Step 3: Cross multiply
    158,957.91x = 219,361.23 × 90,974.52
  4. Step 4: Simplify right side
    158,957.91x = 19,956,282,605.86
  5. Step 5: Solve for x
    x = 19,956,282,605.86/158,957.91
  6. Step 6: Final answer
    x = 125,544.45

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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.