Home / 210,143.46-289,997.58-114,650.22

Finding the Fourth Proportional to 210,143.46, 289,997.58 and 114,650.22

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Solution

The fourth proportional to 210,143.46, 289,997.58 and 114,650.22 is: 158,217.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,143.46 : 289,997.58 = 114,650.22 : x
  2. Step 2: Convert to fraction form
    210,143.46/289,997.58 = 114,650.22/x
  3. Step 3: Cross multiply
    210,143.46x = 289,997.58 × 114,650.22
  4. Step 4: Simplify right side
    210,143.46x = 33,248,286,346.47
  5. Step 5: Solve for x
    x = 33,248,286,346.47/210,143.46
  6. Step 6: Final answer
    x = 158,217.09

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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.