Home / 160,826.72-221,950.80-92,856.11

Finding the Fourth Proportional to 160,826.72, 221,950.80 and 92,856.11

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Solution

The fourth proportional to 160,826.72, 221,950.80 and 92,856.11 is: 128,147.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,826.72 : 221,950.80 = 92,856.11 : x
  2. Step 2: Convert to fraction form
    160,826.72/221,950.80 = 92,856.11/x
  3. Step 3: Cross multiply
    160,826.72x = 221,950.80 × 92,856.11
  4. Step 4: Simplify right side
    160,826.72x = 20,609,486,789.63
  5. Step 5: Solve for x
    x = 20,609,486,789.63/160,826.72
  6. Step 6: Final answer
    x = 128,147.16

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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.