Home / 156,280.94-215,666.83-84,662.36

Finding the Fourth Proportional to 156,280.94, 215,666.83 and 84,662.36

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Solution

The fourth proportional to 156,280.94, 215,666.83 and 84,662.36 is: 116,833.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,280.94 : 215,666.83 = 84,662.36 : x
  2. Step 2: Convert to fraction form
    156,280.94/215,666.83 = 84,662.36/x
  3. Step 3: Cross multiply
    156,280.94x = 215,666.83 × 84,662.36
  4. Step 4: Simplify right side
    156,280.94x = 18,258,861,511.53
  5. Step 5: Solve for x
    x = 18,258,861,511.53/156,280.94
  6. Step 6: Final answer
    x = 116,833.58

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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.