Home / 160,439.11-221,429.14-92,443.06

Finding the Fourth Proportional to 160,439.11, 221,429.14 and 92,443.06

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Solution

The fourth proportional to 160,439.11, 221,429.14 and 92,443.06 is: 127,584.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,439.11 : 221,429.14 = 92,443.06 : x
  2. Step 2: Convert to fraction form
    160,439.11/221,429.14 = 92,443.06/x
  3. Step 3: Cross multiply
    160,439.11x = 221,429.14 × 92,443.06
  4. Step 4: Simplify right side
    160,439.11x = 20,469,587,274.77
  5. Step 5: Solve for x
    x = 20,469,587,274.77/160,439.11
  6. Step 6: Final answer
    x = 127,584.77

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1.5x scale

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.