Home / 219,400.52-329,113.53-61,641.27

Finding the Fourth Proportional to 219,400.52, 329,113.53 and 61,641.27

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Solution

The fourth proportional to 219,400.52, 329,113.53 and 61,641.27 is: 92,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,400.52 : 329,113.53 = 61,641.27 : x
  2. Step 2: Convert to fraction form
    219,400.52/329,113.53 = 61,641.27/x
  3. Step 3: Cross multiply
    219,400.52x = 329,113.53 × 61,641.27
  4. Step 4: Simplify right side
    219,400.52x = 20,286,975,963.38
  5. Step 5: Solve for x
    x = 20,286,975,963.38/219,400.52
  6. Step 6: Final answer
    x = 92,465.49

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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.