Home / 209,923.10-289,691.52-114,427.70

Finding the Fourth Proportional to 209,923.10, 289,691.52 and 114,427.70

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Solution

The fourth proportional to 209,923.10, 289,691.52 and 114,427.70 is: 157,908.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,923.10 : 289,691.52 = 114,427.70 : x
  2. Step 2: Convert to fraction form
    209,923.10/289,691.52 = 114,427.70/x
  3. Step 3: Cross multiply
    209,923.10x = 289,691.52 × 114,427.70
  4. Step 4: Simplify right side
    209,923.10x = 33,148,734,343.10
  5. Step 5: Solve for x
    x = 33,148,734,343.10/209,923.10
  6. Step 6: Final answer
    x = 157,908.94

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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.