Home / 160,118.10-220,950.45-92,138.85

Finding the Fourth Proportional to 160,118.10, 220,950.45 and 92,138.85

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Solution

The fourth proportional to 160,118.10, 220,950.45 and 92,138.85 is: 127,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,118.10 : 220,950.45 = 92,138.85 : x
  2. Step 2: Convert to fraction form
    160,118.10/220,950.45 = 92,138.85/x
  3. Step 3: Cross multiply
    160,118.10x = 220,950.45 × 92,138.85
  4. Step 4: Simplify right side
    160,118.10x = 20,358,120,369.98
  5. Step 5: Solve for x
    x = 20,358,120,369.98/160,118.10
  6. Step 6: Final answer
    x = 127,144.40

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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.