Home / 205,918.45-284,153.57-114,031.14

Finding the Fourth Proportional to 205,918.45, 284,153.57 and 114,031.14

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Solution

The fourth proportional to 205,918.45, 284,153.57 and 114,031.14 is: 157,355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,918.45 : 284,153.57 = 114,031.14 : x
  2. Step 2: Convert to fraction form
    205,918.45/284,153.57 = 114,031.14/x
  3. Step 3: Cross multiply
    205,918.45x = 284,153.57 × 114,031.14
  4. Step 4: Simplify right side
    205,918.45x = 32,402,355,912.42
  5. Step 5: Solve for x
    x = 32,402,355,912.42/205,918.45
  6. Step 6: Final answer
    x = 157,355.28

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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.