Home / 209,641.28-289,301.22-114,146.24

Finding the Fourth Proportional to 209,641.28, 289,301.22 and 114,146.24

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Solution

The fourth proportional to 209,641.28, 289,301.22 and 114,146.24 is: 157,519.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,641.28 : 289,301.22 = 114,146.24 : x
  2. Step 2: Convert to fraction form
    209,641.28/289,301.22 = 114,146.24/x
  3. Step 3: Cross multiply
    209,641.28x = 289,301.22 × 114,146.24
  4. Step 4: Simplify right side
    209,641.28x = 33,022,646,490.41
  5. Step 5: Solve for x
    x = 33,022,646,490.41/209,641.28
  6. Step 6: Final answer
    x = 157,519.77

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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.