Home / 187,876.80-259,272.09-107,315.01

Finding the Fourth Proportional to 187,876.80, 259,272.09 and 107,315.01

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Solution

The fourth proportional to 187,876.80, 259,272.09 and 107,315.01 is: 148,095.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,876.80 : 259,272.09 = 107,315.01 : x
  2. Step 2: Convert to fraction form
    187,876.80/259,272.09 = 107,315.01/x
  3. Step 3: Cross multiply
    187,876.80x = 259,272.09 × 107,315.01
  4. Step 4: Simplify right side
    187,876.80x = 27,823,786,931.07
  5. Step 5: Solve for x
    x = 27,823,786,931.07/187,876.80
  6. Step 6: Final answer
    x = 148,095.92

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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.