Home / 131,607.24-181,534.30-86,288.14

Finding the Fourth Proportional to 131,607.24, 181,534.30 and 86,288.14

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Solution

The fourth proportional to 131,607.24, 181,534.30 and 86,288.14 is: 119,022.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,607.24 : 181,534.30 = 86,288.14 : x
  2. Step 2: Convert to fraction form
    131,607.24/181,534.30 = 86,288.14/x
  3. Step 3: Cross multiply
    131,607.24x = 181,534.30 × 86,288.14
  4. Step 4: Simplify right side
    131,607.24x = 15,664,257,093.20
  5. Step 5: Solve for x
    x = 15,664,257,093.20/131,607.24
  6. Step 6: Final answer
    x = 119,022.76

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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.