Home / 187,723.08-259,064.45-102,840.14

Finding the Fourth Proportional to 187,723.08, 259,064.45 and 102,840.14

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Solution

The fourth proportional to 187,723.08, 259,064.45 and 102,840.14 is: 141,923.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,723.08 : 259,064.45 = 102,840.14 : x
  2. Step 2: Convert to fraction form
    187,723.08/259,064.45 = 102,840.14/x
  3. Step 3: Cross multiply
    187,723.08x = 259,064.45 × 102,840.14
  4. Step 4: Simplify right side
    187,723.08x = 26,642,222,497.50
  5. Step 5: Solve for x
    x = 26,642,222,497.50/187,723.08
  6. Step 6: Final answer
    x = 141,923.00

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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.