Home / 181,966.06-251,114.19-105,530.50

Finding the Fourth Proportional to 181,966.06, 251,114.19 and 105,530.50

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Solution

The fourth proportional to 181,966.06, 251,114.19 and 105,530.50 is: 145,632.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,966.06 : 251,114.19 = 105,530.50 : x
  2. Step 2: Convert to fraction form
    181,966.06/251,114.19 = 105,530.50/x
  3. Step 3: Cross multiply
    181,966.06x = 251,114.19 × 105,530.50
  4. Step 4: Simplify right side
    181,966.06x = 26,500,206,027.80
  5. Step 5: Solve for x
    x = 26,500,206,027.80/181,966.06
  6. Step 6: Final answer
    x = 145,632.69

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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.