Home / 136,239.45-204,300.86-42,752.49

Finding the Fourth Proportional to 136,239.45, 204,300.86 and 42,752.49

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Solution

The fourth proportional to 136,239.45, 204,300.86 and 42,752.49 is: 64,110.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,239.45 : 204,300.86 = 42,752.49 : x
  2. Step 2: Convert to fraction form
    136,239.45/204,300.86 = 42,752.49/x
  3. Step 3: Cross multiply
    136,239.45x = 204,300.86 × 42,752.49
  4. Step 4: Simplify right side
    136,239.45x = 8,734,370,260.38
  5. Step 5: Solve for x
    x = 8,734,370,260.38/136,239.45
  6. Step 6: Final answer
    x = 64,110.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.