Home / 349,121.84-523,683.16-112,499.76

Finding the Fourth Proportional to 349,121.84, 523,683.16 and 112,499.76

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Solution

The fourth proportional to 349,121.84, 523,683.16 and 112,499.76 is: 168,749.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,121.84 : 523,683.16 = 112,499.76 : x
  2. Step 2: Convert to fraction form
    349,121.84/523,683.16 = 112,499.76/x
  3. Step 3: Cross multiply
    349,121.84x = 523,683.16 × 112,499.76
  4. Step 4: Simplify right side
    349,121.84x = 58,914,229,816.04
  5. Step 5: Solve for x
    x = 58,914,229,816.04/349,121.84
  6. Step 6: Final answer
    x = 168,749.77

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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.