Home / 242,753.32-334,992.67-135,321.13

Finding the Fourth Proportional to 242,753.32, 334,992.67 and 135,321.13

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Solution

The fourth proportional to 242,753.32, 334,992.67 and 135,321.13 is: 186,739.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,753.32 : 334,992.67 = 135,321.13 : x
  2. Step 2: Convert to fraction form
    242,753.32/334,992.67 = 135,321.13/x
  3. Step 3: Cross multiply
    242,753.32x = 334,992.67 × 135,321.13
  4. Step 4: Simplify right side
    242,753.32x = 45,331,586,646.12
  5. Step 5: Solve for x
    x = 45,331,586,646.12/242,753.32
  6. Step 6: Final answer
    x = 186,739.31

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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.