Home / 160,383.40-221,339.36-92,399.13

Finding the Fourth Proportional to 160,383.40, 221,339.36 and 92,399.13

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Solution

The fourth proportional to 160,383.40, 221,339.36 and 92,399.13 is: 127,516.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,383.40 : 221,339.36 = 92,399.13 : x
  2. Step 2: Convert to fraction form
    160,383.40/221,339.36 = 92,399.13/x
  3. Step 3: Cross multiply
    160,383.40x = 221,339.36 × 92,399.13
  4. Step 4: Simplify right side
    160,383.40x = 20,451,564,529.75
  5. Step 5: Solve for x
    x = 20,451,564,529.75/160,383.40
  6. Step 6: Final answer
    x = 127,516.72

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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.