Home / 351,011.20-526,516.80-173,864.20

Finding the Fourth Proportional to 351,011.20, 526,516.80 and 173,864.20

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Solution

The fourth proportional to 351,011.20, 526,516.80 and 173,864.20 is: 260,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,011.20 : 526,516.80 = 173,864.20 : x
  2. Step 2: Convert to fraction form
    351,011.20/526,516.80 = 173,864.20/x
  3. Step 3: Cross multiply
    351,011.20x = 526,516.80 × 173,864.20
  4. Step 4: Simplify right side
    351,011.20x = 91,542,422,218.56
  5. Step 5: Solve for x
    x = 91,542,422,218.56/351,011.20
  6. Step 6: Final answer
    x = 260,796.30

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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.