Home / 209,666.84-289,332.60-114,171.44

Finding the Fourth Proportional to 209,666.84, 289,332.60 and 114,171.44

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Solution

The fourth proportional to 209,666.84, 289,332.60 and 114,171.44 is: 157,552.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,666.84 : 289,332.60 = 114,171.44 : x
  2. Step 2: Convert to fraction form
    209,666.84/289,332.60 = 114,171.44/x
  3. Step 3: Cross multiply
    209,666.84x = 289,332.60 × 114,171.44
  4. Step 4: Simplify right side
    209,666.84x = 33,033,519,580.94
  5. Step 5: Solve for x
    x = 33,033,519,580.94/209,666.84
  6. Step 6: Final answer
    x = 157,552.43

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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.