Home / 161,738.00-223,199.90-89,143.47

Finding the Fourth Proportional to 161,738.00, 223,199.90 and 89,143.47

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Solution

The fourth proportional to 161,738.00, 223,199.90 and 89,143.47 is: 123,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,738.00 : 223,199.90 = 89,143.47 : x
  2. Step 2: Convert to fraction form
    161,738.00/223,199.90 = 89,143.47/x
  3. Step 3: Cross multiply
    161,738.00x = 223,199.90 × 89,143.47
  4. Step 4: Simplify right side
    161,738.00x = 19,896,813,979.66
  5. Step 5: Solve for x
    x = 19,896,813,979.66/161,738.00
  6. Step 6: Final answer
    x = 123,018.80

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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.