Home / 104,165.91-156,256.20-51,561.27

Finding the Fourth Proportional to 104,165.91, 156,256.20 and 51,561.27

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Solution

The fourth proportional to 104,165.91, 156,256.20 and 51,561.27 is: 77,345.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,165.91 : 156,256.20 = 51,561.27 : x
  2. Step 2: Convert to fraction form
    104,165.91/156,256.20 = 51,561.27/x
  3. Step 3: Cross multiply
    104,165.91x = 156,256.20 × 51,561.27
  4. Step 4: Simplify right side
    104,165.91x = 8,056,768,117.37
  5. Step 5: Solve for x
    x = 8,056,768,117.37/104,165.91
  6. Step 6: Final answer
    x = 77,345.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.