Home / 157,382.28-236,022.30-52,173

Finding the Fourth Proportional to 157,382.28, 236,022.30 and 52,173

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Solution

The fourth proportional to 157,382.28, 236,022.30 and 52,173 is: 78,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,382.28 : 236,022.30 = 52,173 : x
  2. Step 2: Convert to fraction form
    157,382.28/236,022.30 = 52,173/x
  3. Step 3: Cross multiply
    157,382.28x = 236,022.30 × 52,173
  4. Step 4: Simplify right side
    157,382.28x = 12,313,991,457.90
  5. Step 5: Solve for x
    x = 12,313,991,457.90/157,382.28
  6. Step 6: Final answer
    x = 78,242.55

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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.