Home / 160,631.68-221,667.92-92,648.78

Finding the Fourth Proportional to 160,631.68, 221,667.92 and 92,648.78

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Solution

The fourth proportional to 160,631.68, 221,667.92 and 92,648.78 is: 127,853.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,631.68 : 221,667.92 = 92,648.78 : x
  2. Step 2: Convert to fraction form
    160,631.68/221,667.92 = 92,648.78/x
  3. Step 3: Cross multiply
    160,631.68x = 221,667.92 × 92,648.78
  4. Step 4: Simplify right side
    160,631.68x = 20,537,262,353.14
  5. Step 5: Solve for x
    x = 20,537,262,353.14/160,631.68
  6. Step 6: Final answer
    x = 127,853.13

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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.