Home / 156,223.56-215,587.43-84,601.94

Finding the Fourth Proportional to 156,223.56, 215,587.43 and 84,601.94

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Solution

The fourth proportional to 156,223.56, 215,587.43 and 84,601.94 is: 116,750.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,223.56 : 215,587.43 = 84,601.94 : x
  2. Step 2: Convert to fraction form
    156,223.56/215,587.43 = 84,601.94/x
  3. Step 3: Cross multiply
    156,223.56x = 215,587.43 × 84,601.94
  4. Step 4: Simplify right side
    156,223.56x = 18,239,114,759.63
  5. Step 5: Solve for x
    x = 18,239,114,759.63/156,223.56
  6. Step 6: Final answer
    x = 116,750.09

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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.