Home / 209,620.08-289,275.71-114,126.75

Finding the Fourth Proportional to 209,620.08, 289,275.71 and 114,126.75

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Solution

The fourth proportional to 209,620.08, 289,275.71 and 114,126.75 is: 157,494.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,620.08 : 289,275.71 = 114,126.75 : x
  2. Step 2: Convert to fraction form
    209,620.08/289,275.71 = 114,126.75/x
  3. Step 3: Cross multiply
    209,620.08x = 289,275.71 × 114,126.75
  4. Step 4: Simplify right side
    209,620.08x = 33,014,096,065.61
  5. Step 5: Solve for x
    x = 33,014,096,065.61/209,620.08
  6. Step 6: Final answer
    x = 157,494.91

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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.