Home / 156,717.78-235,026.81-51,512.46

Finding the Fourth Proportional to 156,717.78, 235,026.81 and 51,512.46

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Solution

The fourth proportional to 156,717.78, 235,026.81 and 51,512.46 is: 77,252.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,717.78 : 235,026.81 = 51,512.46 : x
  2. Step 2: Convert to fraction form
    156,717.78/235,026.81 = 51,512.46/x
  3. Step 3: Cross multiply
    156,717.78x = 235,026.81 × 51,512.46
  4. Step 4: Simplify right side
    156,717.78x = 12,106,809,149.05
  5. Step 5: Solve for x
    x = 12,106,809,149.05/156,717.78
  6. Step 6: Final answer
    x = 77,252.30

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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.