Home / 351,971.87-527,930.26-99,242.15

Finding the Fourth Proportional to 351,971.87, 527,930.26 and 99,242.15

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Solution

The fourth proportional to 351,971.87, 527,930.26 and 99,242.15 is: 148,855.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,971.87 : 527,930.26 = 99,242.15 : x
  2. Step 2: Convert to fraction form
    351,971.87/527,930.26 = 99,242.15/x
  3. Step 3: Cross multiply
    351,971.87x = 527,930.26 × 99,242.15
  4. Step 4: Simplify right side
    351,971.87x = 52,392,931,164.70
  5. Step 5: Solve for x
    x = 52,392,931,164.70/351,971.87
  6. Step 6: Final answer
    x = 148,855.45

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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.