Home / 161,580.41-223,007.99-93,638.72

Finding the Fourth Proportional to 161,580.41, 223,007.99 and 93,638.72

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Solution

The fourth proportional to 161,580.41, 223,007.99 and 93,638.72 is: 129,237.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,580.41 : 223,007.99 = 93,638.72 : x
  2. Step 2: Convert to fraction form
    161,580.41/223,007.99 = 93,638.72/x
  3. Step 3: Cross multiply
    161,580.41x = 223,007.99 × 93,638.72
  4. Step 4: Simplify right side
    161,580.41x = 20,882,181,150.14
  5. Step 5: Solve for x
    x = 20,882,181,150.14/161,580.41
  6. Step 6: Final answer
    x = 129,237.09

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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.