Home / 187,087.08-258,093.54-107,553

Finding the Fourth Proportional to 187,087.08, 258,093.54 and 107,553

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Solution

The fourth proportional to 187,087.08, 258,093.54 and 107,553 is: 148,373.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,087.08 : 258,093.54 = 107,553 : x
  2. Step 2: Convert to fraction form
    187,087.08/258,093.54 = 107,553/x
  3. Step 3: Cross multiply
    187,087.08x = 258,093.54 × 107,553
  4. Step 4: Simplify right side
    187,087.08x = 27,758,734,507.62
  5. Step 5: Solve for x
    x = 27,758,734,507.62/187,087.08
  6. Step 6: Final answer
    x = 148,373.34

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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.