Home / 161,659.09-242,488.64-49,339.90

Finding the Fourth Proportional to 161,659.09, 242,488.64 and 49,339.90

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Solution

The fourth proportional to 161,659.09, 242,488.64 and 49,339.90 is: 74,009.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,659.09 : 242,488.64 = 49,339.90 : x
  2. Step 2: Convert to fraction form
    161,659.09/242,488.64 = 49,339.90/x
  3. Step 3: Cross multiply
    161,659.09x = 242,488.64 × 49,339.90
  4. Step 4: Simplify right side
    161,659.09x = 11,964,364,374.66
  5. Step 5: Solve for x
    x = 11,964,364,374.66/161,659.09
  6. Step 6: Final answer
    x = 74,009.85

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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.