Home / 161,861.64-223,371.10-93,881.50

Finding the Fourth Proportional to 161,861.64, 223,371.10 and 93,881.50

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Solution

The fourth proportional to 161,861.64, 223,371.10 and 93,881.50 is: 129,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,861.64 : 223,371.10 = 93,881.50 : x
  2. Step 2: Convert to fraction form
    161,861.64/223,371.10 = 93,881.50/x
  3. Step 3: Cross multiply
    161,861.64x = 223,371.10 × 93,881.50
  4. Step 4: Simplify right side
    161,861.64x = 20,970,413,924.65
  5. Step 5: Solve for x
    x = 20,970,413,924.65/161,861.64
  6. Step 6: Final answer
    x = 129,557.65

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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.