Home / 242,610.32-334,797.74-135,178.04

Finding the Fourth Proportional to 242,610.32, 334,797.74 and 135,178.04

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Solution

The fourth proportional to 242,610.32, 334,797.74 and 135,178.04 is: 186,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,610.32 : 334,797.74 = 135,178.04 : x
  2. Step 2: Convert to fraction form
    242,610.32/334,797.74 = 135,178.04/x
  3. Step 3: Cross multiply
    242,610.32x = 334,797.74 × 135,178.04
  4. Step 4: Simplify right side
    242,610.32x = 45,257,302,289.63
  5. Step 5: Solve for x
    x = 45,257,302,289.63/242,610.32
  6. Step 6: Final answer
    x = 186,543.19

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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.