Home / 349,711.70-524,581.20-109,989.15

Finding the Fourth Proportional to 349,711.70, 524,581.20 and 109,989.15

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Solution

The fourth proportional to 349,711.70, 524,581.20 and 109,989.15 is: 164,988.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,711.70 : 524,581.20 = 109,989.15 : x
  2. Step 2: Convert to fraction form
    349,711.70/524,581.20 = 109,989.15/x
  3. Step 3: Cross multiply
    349,711.70x = 524,581.20 × 109,989.15
  4. Step 4: Simplify right side
    349,711.70x = 57,698,240,293.98
  5. Step 5: Solve for x
    x = 57,698,240,293.98/349,711.70
  6. Step 6: Final answer
    x = 164,988.02

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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.