Home / 161,443.22-242,201.68-49,139.35

Finding the Fourth Proportional to 161,443.22, 242,201.68 and 49,139.35

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Solution

The fourth proportional to 161,443.22, 242,201.68 and 49,139.35 is: 73,720.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,443.22 : 242,201.68 = 49,139.35 : x
  2. Step 2: Convert to fraction form
    161,443.22/242,201.68 = 49,139.35/x
  3. Step 3: Cross multiply
    161,443.22x = 242,201.68 × 49,139.35
  4. Step 4: Simplify right side
    161,443.22x = 11,901,633,124.11
  5. Step 5: Solve for x
    x = 11,901,633,124.11/161,443.22
  6. Step 6: Final answer
    x = 73,720.24

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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.