Home / 349,977.16-525,049.35-113,320.09

Finding the Fourth Proportional to 349,977.16, 525,049.35 and 113,320.09

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Solution

The fourth proportional to 349,977.16, 525,049.35 and 113,320.09 is: 170,007.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,977.16 : 525,049.35 = 113,320.09 : x
  2. Step 2: Convert to fraction form
    349,977.16/525,049.35 = 113,320.09/x
  3. Step 3: Cross multiply
    349,977.16x = 525,049.35 × 113,320.09
  4. Step 4: Simplify right side
    349,977.16x = 59,498,639,596.44
  5. Step 5: Solve for x
    x = 59,498,639,596.44/349,977.16
  6. Step 6: Final answer
    x = 170,007.21

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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.