Home / 209,726.70-289,424.25-114,232.56

Finding the Fourth Proportional to 209,726.70, 289,424.25 and 114,232.56

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Solution

The fourth proportional to 209,726.70, 289,424.25 and 114,232.56 is: 157,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,726.70 : 289,424.25 = 114,232.56 : x
  2. Step 2: Convert to fraction form
    209,726.70/289,424.25 = 114,232.56/x
  3. Step 3: Cross multiply
    209,726.70x = 289,424.25 × 114,232.56
  4. Step 4: Simplify right side
    209,726.70x = 33,061,673,003.58
  5. Step 5: Solve for x
    x = 33,061,673,003.58/209,726.70
  6. Step 6: Final answer
    x = 157,641.70

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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.