Home / 156,983.56-235,483.48-51,810.73

Finding the Fourth Proportional to 156,983.56, 235,483.48 and 51,810.73

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Solution

The fourth proportional to 156,983.56, 235,483.48 and 51,810.73 is: 77,718.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,983.56 : 235,483.48 = 51,810.73 : x
  2. Step 2: Convert to fraction form
    156,983.56/235,483.48 = 51,810.73/x
  3. Step 3: Cross multiply
    156,983.56x = 235,483.48 × 51,810.73
  4. Step 4: Simplify right side
    156,983.56x = 12,200,571,001.74
  5. Step 5: Solve for x
    x = 12,200,571,001.74/156,983.56
  6. Step 6: Final answer
    x = 77,718.78

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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.