Home / 122,536.32-183,721.68-42,553.68

Finding the Fourth Proportional to 122,536.32, 183,721.68 and 42,553.68

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Solution

The fourth proportional to 122,536.32, 183,721.68 and 42,553.68 is: 63,801.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,536.32 : 183,721.68 = 42,553.68 : x
  2. Step 2: Convert to fraction form
    122,536.32/183,721.68 = 42,553.68/x
  3. Step 3: Cross multiply
    122,536.32x = 183,721.68 × 42,553.68
  4. Step 4: Simplify right side
    122,536.32x = 7,818,033,579.78
  5. Step 5: Solve for x
    x = 7,818,033,579.78/122,536.32
  6. Step 6: Final answer
    x = 63,801.77

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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.