Home / 219,160.69-328,466.61-117,709.43

Finding the Fourth Proportional to 219,160.69, 328,466.61 and 117,709.43

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Solution

The fourth proportional to 219,160.69, 328,466.61 and 117,709.43 is: 176,416.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,160.69 : 328,466.61 = 117,709.43 : x
  2. Step 2: Convert to fraction form
    219,160.69/328,466.61 = 117,709.43/x
  3. Step 3: Cross multiply
    219,160.69x = 328,466.61 × 117,709.43
  4. Step 4: Simplify right side
    219,160.69x = 38,663,616,848.59
  5. Step 5: Solve for x
    x = 38,663,616,848.59/219,160.69
  6. Step 6: Final answer
    x = 176,416.75

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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.