Home / 156,983.37-235,483.20-51,810.54

Finding the Fourth Proportional to 156,983.37, 235,483.20 and 51,810.54

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Solution

The fourth proportional to 156,983.37, 235,483.20 and 51,810.54 is: 77,718.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,983.37 : 235,483.20 = 51,810.54 : x
  2. Step 2: Convert to fraction form
    156,983.37/235,483.20 = 51,810.54/x
  3. Step 3: Cross multiply
    156,983.37x = 235,483.20 × 51,810.54
  4. Step 4: Simplify right side
    156,983.37x = 12,200,511,752.93
  5. Step 5: Solve for x
    x = 12,200,511,752.93/156,983.37
  6. Step 6: Final answer
    x = 77,718.50

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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.