Home / 161,518.78-242,286.54-49,190.32

Finding the Fourth Proportional to 161,518.78, 242,286.54 and 49,190.32

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Solution

The fourth proportional to 161,518.78, 242,286.54 and 49,190.32 is: 73,788.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,518.78 : 242,286.54 = 49,190.32 : x
  2. Step 2: Convert to fraction form
    161,518.78/242,286.54 = 49,190.32/x
  3. Step 3: Cross multiply
    161,518.78x = 242,286.54 × 49,190.32
  4. Step 4: Simplify right side
    161,518.78x = 11,918,152,434.29
  5. Step 5: Solve for x
    x = 11,918,152,434.29/161,518.78
  6. Step 6: Final answer
    x = 73,788.03

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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.