Home / 157,633.20-236,471.40-52,441.20

Finding the Fourth Proportional to 157,633.20, 236,471.40 and 52,441.20

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Solution

The fourth proportional to 157,633.20, 236,471.40 and 52,441.20 is: 78,668.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,633.20 : 236,471.40 = 52,441.20 : x
  2. Step 2: Convert to fraction form
    157,633.20/236,471.40 = 52,441.20/x
  3. Step 3: Cross multiply
    157,633.20x = 236,471.40 × 52,441.20
  4. Step 4: Simplify right side
    157,633.20x = 12,400,843,981.68
  5. Step 5: Solve for x
    x = 12,400,843,981.68/157,633.20
  6. Step 6: Final answer
    x = 78,668.99

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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.