Home / 148,747.00-205,250.20-87,495.96

Finding the Fourth Proportional to 148,747.00, 205,250.20 and 87,495.96

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Solution

The fourth proportional to 148,747.00, 205,250.20 and 87,495.96 is: 120,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,747.00 : 205,250.20 = 87,495.96 : x
  2. Step 2: Convert to fraction form
    148,747.00/205,250.20 = 87,495.96/x
  3. Step 3: Cross multiply
    148,747.00x = 205,250.20 × 87,495.96
  4. Step 4: Simplify right side
    148,747.00x = 17,958,564,332.31
  5. Step 5: Solve for x
    x = 17,958,564,332.31/148,747.00
  6. Step 6: Final answer
    x = 120,732.28

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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.