Home / 156,619.81-216,037.02-92,912.50

Finding the Fourth Proportional to 156,619.81, 216,037.02 and 92,912.50

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Solution

The fourth proportional to 156,619.81, 216,037.02 and 92,912.50 is: 128,160.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,619.81 : 216,037.02 = 92,912.50 : x
  2. Step 2: Convert to fraction form
    156,619.81/216,037.02 = 92,912.50/x
  3. Step 3: Cross multiply
    156,619.81x = 216,037.02 × 92,912.50
  4. Step 4: Simplify right side
    156,619.81x = 20,072,539,620.75
  5. Step 5: Solve for x
    x = 20,072,539,620.75/156,619.81
  6. Step 6: Final answer
    x = 128,160.92

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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.