Home / 200,929.28-277,286.40-111,511.04

Finding the Fourth Proportional to 200,929.28, 277,286.40 and 111,511.04

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Solution

The fourth proportional to 200,929.28, 277,286.40 and 111,511.04 is: 153,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,929.28 : 277,286.40 = 111,511.04 : x
  2. Step 2: Convert to fraction form
    200,929.28/277,286.40 = 111,511.04/x
  3. Step 3: Cross multiply
    200,929.28x = 277,286.40 × 111,511.04
  4. Step 4: Simplify right side
    200,929.28x = 30,920,494,841.86
  5. Step 5: Solve for x
    x = 30,920,494,841.86/200,929.28
  6. Step 6: Final answer
    x = 153,887.45

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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.