Home / 161,730.10-242,595.15-73,083.70

Finding the Fourth Proportional to 161,730.10, 242,595.15 and 73,083.70

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Solution

The fourth proportional to 161,730.10, 242,595.15 and 73,083.70 is: 109,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,730.10 : 242,595.15 = 73,083.70 : x
  2. Step 2: Convert to fraction form
    161,730.10/242,595.15 = 73,083.70/x
  3. Step 3: Cross multiply
    161,730.10x = 242,595.15 × 73,083.70
  4. Step 4: Simplify right side
    161,730.10x = 17,729,751,164.06
  5. Step 5: Solve for x
    x = 17,729,751,164.06/161,730.10
  6. Step 6: Final answer
    x = 109,625.55

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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.