Home / 161,702.87-242,548.83-49,378.55

Finding the Fourth Proportional to 161,702.87, 242,548.83 and 49,378.55

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Solution

The fourth proportional to 161,702.87, 242,548.83 and 49,378.55 is: 74,066.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,702.87 : 242,548.83 = 49,378.55 : x
  2. Step 2: Convert to fraction form
    161,702.87/242,548.83 = 49,378.55/x
  3. Step 3: Cross multiply
    161,702.87x = 242,548.83 × 49,378.55
  4. Step 4: Simplify right side
    161,702.87x = 11,976,708,316.85
  5. Step 5: Solve for x
    x = 11,976,708,316.85/161,702.87
  6. Step 6: Final answer
    x = 74,066.15

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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.