Home / 156,178.80-215,511.44-92,504.30

Finding the Fourth Proportional to 156,178.80, 215,511.44 and 92,504.30

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Solution

The fourth proportional to 156,178.80, 215,511.44 and 92,504.30 is: 127,646.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,178.80 : 215,511.44 = 92,504.30 : x
  2. Step 2: Convert to fraction form
    156,178.80/215,511.44 = 92,504.30/x
  3. Step 3: Cross multiply
    156,178.80x = 215,511.44 × 92,504.30
  4. Step 4: Simplify right side
    156,178.80x = 19,935,733,359.11
  5. Step 5: Solve for x
    x = 19,935,733,359.11/156,178.80
  6. Step 6: Final answer
    x = 127,646.86

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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.