Home / 209,601.81-289,250.42-114,108.48

Finding the Fourth Proportional to 209,601.81, 289,250.42 and 114,108.48

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Solution

The fourth proportional to 209,601.81, 289,250.42 and 114,108.48 is: 157,469.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,601.81 : 289,250.42 = 114,108.48 : x
  2. Step 2: Convert to fraction form
    209,601.81/289,250.42 = 114,108.48/x
  3. Step 3: Cross multiply
    209,601.81x = 289,250.42 × 114,108.48
  4. Step 4: Simplify right side
    209,601.81x = 33,005,925,195.02
  5. Step 5: Solve for x
    x = 33,005,925,195.02/209,601.81
  6. Step 6: Final answer
    x = 157,469.66

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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.