Home / 349,024.34-523,551.52-109,142.78

Finding the Fourth Proportional to 349,024.34, 523,551.52 and 109,142.78

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Solution

The fourth proportional to 349,024.34, 523,551.52 and 109,142.78 is: 163,718.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,024.34 : 523,551.52 = 109,142.78 : x
  2. Step 2: Convert to fraction form
    349,024.34/523,551.52 = 109,142.78/x
  3. Step 3: Cross multiply
    349,024.34x = 523,551.52 × 109,142.78
  4. Step 4: Simplify right side
    349,024.34x = 57,141,868,366.03
  5. Step 5: Solve for x
    x = 57,141,868,366.03/349,024.34
  6. Step 6: Final answer
    x = 163,718.86

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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.