Home / 115,227.24-172,826.28-45,155.76

Finding the Fourth Proportional to 115,227.24, 172,826.28 and 45,155.76

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Solution

The fourth proportional to 115,227.24, 172,826.28 and 45,155.76 is: 67,727.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,227.24 : 172,826.28 = 45,155.76 : x
  2. Step 2: Convert to fraction form
    115,227.24/172,826.28 = 45,155.76/x
  3. Step 3: Cross multiply
    115,227.24x = 172,826.28 × 45,155.76
  4. Step 4: Simplify right side
    115,227.24x = 7,804,102,021.37
  5. Step 5: Solve for x
    x = 7,804,102,021.37/115,227.24
  6. Step 6: Final answer
    x = 67,727.93

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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.