Home / 157,620.33-236,428.19-73,333.35

Finding the Fourth Proportional to 157,620.33, 236,428.19 and 73,333.35

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Solution

The fourth proportional to 157,620.33, 236,428.19 and 73,333.35 is: 109,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,620.33 : 236,428.19 = 73,333.35 : x
  2. Step 2: Convert to fraction form
    157,620.33/236,428.19 = 73,333.35/x
  3. Step 3: Cross multiply
    157,620.33x = 236,428.19 × 73,333.35
  4. Step 4: Simplify right side
    157,620.33x = 17,338,070,840.47
  5. Step 5: Solve for x
    x = 17,338,070,840.47/157,620.33
  6. Step 6: Final answer
    x = 109,998.95

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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.