Home / 156,134.94-215,410.23-89,028.06

Finding the Fourth Proportional to 156,134.94, 215,410.23 and 89,028.06

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Solution

The fourth proportional to 156,134.94, 215,410.23 and 89,028.06 is: 122,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,134.94 : 215,410.23 = 89,028.06 : x
  2. Step 2: Convert to fraction form
    156,134.94/215,410.23 = 89,028.06/x
  3. Step 3: Cross multiply
    156,134.94x = 215,410.23 × 89,028.06
  4. Step 4: Simplify right side
    156,134.94x = 19,177,554,881.05
  5. Step 5: Solve for x
    x = 19,177,554,881.05/156,134.94
  6. Step 6: Final answer
    x = 122,826.80

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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.