Home / 161,864.08-223,364.24-89,279.61

Finding the Fourth Proportional to 161,864.08, 223,364.24 and 89,279.61

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Solution

The fourth proportional to 161,864.08, 223,364.24 and 89,279.61 is: 123,201.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,864.08 : 223,364.24 = 89,279.61 : x
  2. Step 2: Convert to fraction form
    161,864.08/223,364.24 = 89,279.61/x
  3. Step 3: Cross multiply
    161,864.08x = 223,364.24 × 89,279.61
  4. Step 4: Simplify right side
    161,864.08x = 19,941,871,285.93
  5. Step 5: Solve for x
    x = 19,941,871,285.93/161,864.08
  6. Step 6: Final answer
    x = 123,201.34

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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.