Home / 156,865.54-235,327.47-51,688.66

Finding the Fourth Proportional to 156,865.54, 235,327.47 and 51,688.66

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Solution

The fourth proportional to 156,865.54, 235,327.47 and 51,688.66 is: 77,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,865.54 : 235,327.47 = 51,688.66 : x
  2. Step 2: Convert to fraction form
    156,865.54/235,327.47 = 51,688.66/x
  3. Step 3: Cross multiply
    156,865.54x = 235,327.47 × 51,688.66
  4. Step 4: Simplify right side
    156,865.54x = 12,163,761,585.49
  5. Step 5: Solve for x
    x = 12,163,761,585.49/156,865.54
  6. Step 6: Final answer
    x = 77,542.60

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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.