Home / 131,826.04-181,932.96-75,245.92

Finding the Fourth Proportional to 131,826.04, 181,932.96 and 75,245.92

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Solution

The fourth proportional to 131,826.04, 181,932.96 and 75,245.92 is: 103,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,826.04 : 181,932.96 = 75,245.92 : x
  2. Step 2: Convert to fraction form
    131,826.04/181,932.96 = 75,245.92/x
  3. Step 3: Cross multiply
    131,826.04x = 181,932.96 × 75,245.92
  4. Step 4: Simplify right side
    131,826.04x = 13,689,712,953.52
  5. Step 5: Solve for x
    x = 13,689,712,953.52/131,826.04
  6. Step 6: Final answer
    x = 103,846.80

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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.