Home / 235,669.85-353,560.14-77,898.31

Finding the Fourth Proportional to 235,669.85, 353,560.14 and 77,898.31

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Solution

The fourth proportional to 235,669.85, 353,560.14 and 77,898.31 is: 116,865.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,669.85 : 353,560.14 = 77,898.31 : x
  2. Step 2: Convert to fraction form
    235,669.85/353,560.14 = 77,898.31/x
  3. Step 3: Cross multiply
    235,669.85x = 353,560.14 × 77,898.31
  4. Step 4: Simplify right side
    235,669.85x = 27,541,737,389.36
  5. Step 5: Solve for x
    x = 27,541,737,389.36/235,669.85
  6. Step 6: Final answer
    x = 116,865.77

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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.