Home / 156,041.83-215,558.18-124,169.95

Finding the Fourth Proportional to 156,041.83, 215,558.18 and 124,169.95

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Solution

The fourth proportional to 156,041.83, 215,558.18 and 124,169.95 is: 171,529.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,041.83 : 215,558.18 = 124,169.95 : x
  2. Step 2: Convert to fraction form
    156,041.83/215,558.18 = 124,169.95/x
  3. Step 3: Cross multiply
    156,041.83x = 215,558.18 × 124,169.95
  4. Step 4: Simplify right side
    156,041.83x = 26,765,848,432.69
  5. Step 5: Solve for x
    x = 26,765,848,432.69/156,041.83
  6. Step 6: Final answer
    x = 171,529.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.