Home / 209,861.46-289,600.35-114,366.10

Finding the Fourth Proportional to 209,861.46, 289,600.35 and 114,366.10

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Solution

The fourth proportional to 209,861.46, 289,600.35 and 114,366.10 is: 157,820.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,861.46 : 289,600.35 = 114,366.10 : x
  2. Step 2: Convert to fraction form
    209,861.46/289,600.35 = 114,366.10/x
  3. Step 3: Cross multiply
    209,861.46x = 289,600.35 × 114,366.10
  4. Step 4: Simplify right side
    209,861.46x = 33,120,462,588.14
  5. Step 5: Solve for x
    x = 33,120,462,588.14/209,861.46
  6. Step 6: Final answer
    x = 157,820.61

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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.