Home / 242,778.44-335,034.46-135,346.32

Finding the Fourth Proportional to 242,778.44, 335,034.46 and 135,346.32

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Solution

The fourth proportional to 242,778.44, 335,034.46 and 135,346.32 is: 186,778.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,778.44 : 335,034.46 = 135,346.32 : x
  2. Step 2: Convert to fraction form
    242,778.44/335,034.46 = 135,346.32/x
  3. Step 3: Cross multiply
    242,778.44x = 335,034.46 × 135,346.32
  4. Step 4: Simplify right side
    242,778.44x = 45,345,681,234.19
  5. Step 5: Solve for x
    x = 45,345,681,234.19/242,778.44
  6. Step 6: Final answer
    x = 186,778.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.