Home / 348,747.19-523,125.64-99,429.19

Finding the Fourth Proportional to 348,747.19, 523,125.64 and 99,429.19

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Solution

The fourth proportional to 348,747.19, 523,125.64 and 99,429.19 is: 149,145.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,747.19 : 523,125.64 = 99,429.19 : x
  2. Step 2: Convert to fraction form
    348,747.19/523,125.64 = 99,429.19/x
  3. Step 3: Cross multiply
    348,747.19x = 523,125.64 × 99,429.19
  4. Step 4: Simplify right side
    348,747.19x = 52,013,957,469.90
  5. Step 5: Solve for x
    x = 52,013,957,469.90/348,747.19
  6. Step 6: Final answer
    x = 149,145.17

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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.