Home / 242,481.90-334,624.65-135,061.32

Finding the Fourth Proportional to 242,481.90, 334,624.65 and 135,061.32

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Solution

The fourth proportional to 242,481.90, 334,624.65 and 135,061.32 is: 186,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,481.90 : 334,624.65 = 135,061.32 : x
  2. Step 2: Convert to fraction form
    242,481.90/334,624.65 = 135,061.32/x
  3. Step 3: Cross multiply
    242,481.90x = 334,624.65 × 135,061.32
  4. Step 4: Simplify right side
    242,481.90x = 45,194,846,933.54
  5. Step 5: Solve for x
    x = 45,194,846,933.54/242,481.90
  6. Step 6: Final answer
    x = 186,384.41

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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.