Home / 210,105.16-289,947.20-114,613.84

Finding the Fourth Proportional to 210,105.16, 289,947.20 and 114,613.84

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Solution

The fourth proportional to 210,105.16, 289,947.20 and 114,613.84 is: 158,168.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,105.16 : 289,947.20 = 114,613.84 : x
  2. Step 2: Convert to fraction form
    210,105.16/289,947.20 = 114,613.84/x
  3. Step 3: Cross multiply
    210,105.16x = 289,947.20 × 114,613.84
  4. Step 4: Simplify right side
    210,105.16x = 33,231,961,989.25
  5. Step 5: Solve for x
    x = 33,231,961,989.25/210,105.16
  6. Step 6: Final answer
    x = 158,168.23

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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.