Home / 351,970.38-527,928-99,240.66

Finding the Fourth Proportional to 351,970.38, 527,928 and 99,240.66

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Solution

The fourth proportional to 351,970.38, 527,928 and 99,240.66 is: 148,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,970.38 : 527,928 = 99,240.66 : x
  2. Step 2: Convert to fraction form
    351,970.38/527,928 = 99,240.66/x
  3. Step 3: Cross multiply
    351,970.38x = 527,928 × 99,240.66
  4. Step 4: Simplify right side
    351,970.38x = 52,391,923,152.48
  5. Step 5: Solve for x
    x = 52,391,923,152.48/351,970.38
  6. Step 6: Final answer
    x = 148,853.22

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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.