Home / 209,818.62-289,546.05-114,326.10

Finding the Fourth Proportional to 209,818.62, 289,546.05 and 114,326.10

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Solution

The fourth proportional to 209,818.62, 289,546.05 and 114,326.10 is: 157,768.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,818.62 : 289,546.05 = 114,326.10 : x
  2. Step 2: Convert to fraction form
    209,818.62/289,546.05 = 114,326.10/x
  3. Step 3: Cross multiply
    209,818.62x = 289,546.05 × 114,326.10
  4. Step 4: Simplify right side
    209,818.62x = 33,102,670,666.91
  5. Step 5: Solve for x
    x = 33,102,670,666.91/209,818.62
  6. Step 6: Final answer
    x = 157,768.03

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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.