Home / 187,561.64-258,852.66-112,108.52

Finding the Fourth Proportional to 187,561.64, 258,852.66 and 112,108.52

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Solution

The fourth proportional to 187,561.64, 258,852.66 and 112,108.52 is: 154,720.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,561.64 : 258,852.66 = 112,108.52 : x
  2. Step 2: Convert to fraction form
    187,561.64/258,852.66 = 112,108.52/x
  3. Step 3: Cross multiply
    187,561.64x = 258,852.66 × 112,108.52
  4. Step 4: Simplify right side
    187,561.64x = 29,019,588,610.66
  5. Step 5: Solve for x
    x = 29,019,588,610.66/187,561.64
  6. Step 6: Final answer
    x = 154,720.28

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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.