Home / 157,620.16-236,297.20-73,336.84

Finding the Fourth Proportional to 157,620.16, 236,297.20 and 73,336.84

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Solution

The fourth proportional to 157,620.16, 236,297.20 and 73,336.84 is: 109,943.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,620.16 : 236,297.20 = 73,336.84 : x
  2. Step 2: Convert to fraction form
    157,620.16/236,297.20 = 73,336.84/x
  3. Step 3: Cross multiply
    157,620.16x = 236,297.20 × 73,336.84
  4. Step 4: Simplify right side
    157,620.16x = 17,329,289,948.85
  5. Step 5: Solve for x
    x = 17,329,289,948.85/157,620.16
  6. Step 6: Final answer
    x = 109,943.36

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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.