Home / 154,022.32-231,033.32-57,977.46

Finding the Fourth Proportional to 154,022.32, 231,033.32 and 57,977.46

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Solution

The fourth proportional to 154,022.32, 231,033.32 and 57,977.46 is: 86,966.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,022.32 : 231,033.32 = 57,977.46 : x
  2. Step 2: Convert to fraction form
    154,022.32/231,033.32 = 57,977.46/x
  3. Step 3: Cross multiply
    154,022.32x = 231,033.32 × 57,977.46
  4. Step 4: Simplify right side
    154,022.32x = 13,394,725,068.97
  5. Step 5: Solve for x
    x = 13,394,725,068.97/154,022.32
  6. Step 6: Final answer
    x = 86,966.13

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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.