Home / 156,228.46-215,586.57-88,259.38

Finding the Fourth Proportional to 156,228.46, 215,586.57 and 88,259.38

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Solution

The fourth proportional to 156,228.46, 215,586.57 and 88,259.38 is: 121,793.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,228.46 : 215,586.57 = 88,259.38 : x
  2. Step 2: Convert to fraction form
    156,228.46/215,586.57 = 88,259.38/x
  3. Step 3: Cross multiply
    156,228.46x = 215,586.57 × 88,259.38
  4. Step 4: Simplify right side
    156,228.46x = 19,027,537,004.53
  5. Step 5: Solve for x
    x = 19,027,537,004.53/156,228.46
  6. Step 6: Final answer
    x = 121,793.03

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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.