Home / 242,484.35-334,638.79-135,054.41

Finding the Fourth Proportional to 242,484.35, 334,638.79 and 135,054.41

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Solution

The fourth proportional to 242,484.35, 334,638.79 and 135,054.41 is: 186,380.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,484.35 : 334,638.79 = 135,054.41 : x
  2. Step 2: Convert to fraction form
    242,484.35/334,638.79 = 135,054.41/x
  3. Step 3: Cross multiply
    242,484.35x = 334,638.79 × 135,054.41
  4. Step 4: Simplify right side
    242,484.35x = 45,194,445,351.98
  5. Step 5: Solve for x
    x = 45,194,445,351.98/242,484.35
  6. Step 6: Final answer
    x = 186,380.87

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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.