Home / 156,277.28-215,662.46-84,657.60

Finding the Fourth Proportional to 156,277.28, 215,662.46 and 84,657.60

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Solution

The fourth proportional to 156,277.28, 215,662.46 and 84,657.60 is: 116,827.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,277.28 : 215,662.46 = 84,657.60 : x
  2. Step 2: Convert to fraction form
    156,277.28/215,662.46 = 84,657.60/x
  3. Step 3: Cross multiply
    156,277.28x = 215,662.46 × 84,657.60
  4. Step 4: Simplify right side
    156,277.28x = 18,257,465,850.41
  5. Step 5: Solve for x
    x = 18,257,465,850.41/156,277.28
  6. Step 6: Final answer
    x = 116,827.38

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1.5x scale

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.