Home / 242,916.42-335,225.25-135,493.44

Finding the Fourth Proportional to 242,916.42, 335,225.25 and 135,493.44

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Solution

The fourth proportional to 242,916.42, 335,225.25 and 135,493.44 is: 186,981.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,916.42 : 335,225.25 = 135,493.44 : x
  2. Step 2: Convert to fraction form
    242,916.42/335,225.25 = 135,493.44/x
  3. Step 3: Cross multiply
    242,916.42x = 335,225.25 × 135,493.44
  4. Step 4: Simplify right side
    242,916.42x = 45,420,822,297.36
  5. Step 5: Solve for x
    x = 45,420,822,297.36/242,916.42
  6. Step 6: Final answer
    x = 186,981.28

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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.