Home / 161,778.09-242,698.89-49,474.26

Finding the Fourth Proportional to 161,778.09, 242,698.89 and 49,474.26

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Solution

The fourth proportional to 161,778.09, 242,698.89 and 49,474.26 is: 74,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,778.09 : 242,698.89 = 49,474.26 : x
  2. Step 2: Convert to fraction form
    161,778.09/242,698.89 = 49,474.26/x
  3. Step 3: Cross multiply
    161,778.09x = 242,698.89 × 49,474.26
  4. Step 4: Simplify right side
    161,778.09x = 12,007,347,985.57
  5. Step 5: Solve for x
    x = 12,007,347,985.57/161,778.09
  6. Step 6: Final answer
    x = 74,221.10

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1.5x scale

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.