Home / 175,930.47-242,771.82-99,453.20

Finding the Fourth Proportional to 175,930.47, 242,771.82 and 99,453.20

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Solution

The fourth proportional to 175,930.47, 242,771.82 and 99,453.20 is: 137,238.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,930.47 : 242,771.82 = 99,453.20 : x
  2. Step 2: Convert to fraction form
    175,930.47/242,771.82 = 99,453.20/x
  3. Step 3: Cross multiply
    175,930.47x = 242,771.82 × 99,453.20
  4. Step 4: Simplify right side
    175,930.47x = 24,144,433,154.96
  5. Step 5: Solve for x
    x = 24,144,433,154.96/175,930.47
  6. Step 6: Final answer
    x = 137,238.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.