Home / 254,166.88-381,253.20-87,916

Finding the Fourth Proportional to 254,166.88, 381,253.20 and 87,916

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Solution

The fourth proportional to 254,166.88, 381,253.20 and 87,916 is: 131,875.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,166.88 : 381,253.20 = 87,916 : x
  2. Step 2: Convert to fraction form
    254,166.88/381,253.20 = 87,916/x
  3. Step 3: Cross multiply
    254,166.88x = 381,253.20 × 87,916
  4. Step 4: Simplify right side
    254,166.88x = 33,518,256,331.20
  5. Step 5: Solve for x
    x = 33,518,256,331.20/254,166.88
  6. Step 6: Final answer
    x = 131,875.00

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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.