Home / 220,907.38-304,837.66-130,258.96

Finding the Fourth Proportional to 220,907.38, 304,837.66 and 130,258.96

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Solution

The fourth proportional to 220,907.38, 304,837.66 and 130,258.96 is: 179,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,907.38 : 304,837.66 = 130,258.96 : x
  2. Step 2: Convert to fraction form
    220,907.38/304,837.66 = 130,258.96/x
  3. Step 3: Cross multiply
    220,907.38x = 304,837.66 × 130,258.96
  4. Step 4: Simplify right side
    220,907.38x = 39,707,836,560.43
  5. Step 5: Solve for x
    x = 39,707,836,560.43/220,907.38
  6. Step 6: Final answer
    x = 179,748.80

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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.