Home / 131,530.12-197,246.46-47,267.57

Finding the Fourth Proportional to 131,530.12, 197,246.46 and 47,267.57

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Solution

The fourth proportional to 131,530.12, 197,246.46 and 47,267.57 is: 70,883.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,530.12 : 197,246.46 = 47,267.57 : x
  2. Step 2: Convert to fraction form
    131,530.12/197,246.46 = 47,267.57/x
  3. Step 3: Cross multiply
    131,530.12x = 197,246.46 × 47,267.57
  4. Step 4: Simplify right side
    131,530.12x = 9,323,360,855.30
  5. Step 5: Solve for x
    x = 9,323,360,855.30/131,530.12
  6. Step 6: Final answer
    x = 70,883.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.