Home / 209,436.84-289,026.36-113,945.04

Finding the Fourth Proportional to 209,436.84, 289,026.36 and 113,945.04

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Solution

The fourth proportional to 209,436.84, 289,026.36 and 113,945.04 is: 157,246.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,436.84 : 289,026.36 = 113,945.04 : x
  2. Step 2: Convert to fraction form
    209,436.84/289,026.36 = 113,945.04/x
  3. Step 3: Cross multiply
    209,436.84x = 289,026.36 × 113,945.04
  4. Step 4: Simplify right side
    209,436.84x = 32,933,120,151.25
  5. Step 5: Solve for x
    x = 32,933,120,151.25/209,436.84
  6. Step 6: Final answer
    x = 157,246.07

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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.