Home / 209,535.84-289,028.88-127,826.76

Finding the Fourth Proportional to 209,535.84, 289,028.88 and 127,826.76

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Solution

The fourth proportional to 209,535.84, 289,028.88 and 127,826.76 is: 176,321.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,535.84 : 289,028.88 = 127,826.76 : x
  2. Step 2: Convert to fraction form
    209,535.84/289,028.88 = 127,826.76/x
  3. Step 3: Cross multiply
    209,535.84x = 289,028.88 × 127,826.76
  4. Step 4: Simplify right side
    209,535.84x = 36,945,625,276.83
  5. Step 5: Solve for x
    x = 36,945,625,276.83/209,535.84
  6. Step 6: Final answer
    x = 176,321.27

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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.