Home / 209,809.62-289,533.63-114,317.10

Finding the Fourth Proportional to 209,809.62, 289,533.63 and 114,317.10

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Solution

The fourth proportional to 209,809.62, 289,533.63 and 114,317.10 is: 157,755.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,809.62 : 289,533.63 = 114,317.10 : x
  2. Step 2: Convert to fraction form
    209,809.62/289,533.63 = 114,317.10/x
  3. Step 3: Cross multiply
    209,809.62x = 289,533.63 × 114,317.10
  4. Step 4: Simplify right side
    209,809.62x = 33,098,644,934.07
  5. Step 5: Solve for x
    x = 33,098,644,934.07/209,809.62
  6. Step 6: Final answer
    x = 157,755.61

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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.