Home / 351,013.20-526,519.80-173,866.20

Finding the Fourth Proportional to 351,013.20, 526,519.80 and 173,866.20

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Solution

The fourth proportional to 351,013.20, 526,519.80 and 173,866.20 is: 260,799.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,013.20 : 526,519.80 = 173,866.20 : x
  2. Step 2: Convert to fraction form
    351,013.20/526,519.80 = 173,866.20/x
  3. Step 3: Cross multiply
    351,013.20x = 526,519.80 × 173,866.20
  4. Step 4: Simplify right side
    351,013.20x = 91,543,996,850.76
  5. Step 5: Solve for x
    x = 91,543,996,850.76/351,013.20
  6. Step 6: Final answer
    x = 260,799.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.