Home / 187,066.14-258,134.46-115,469.22

Finding the Fourth Proportional to 187,066.14, 258,134.46 and 115,469.22

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Solution

The fourth proportional to 187,066.14, 258,134.46 and 115,469.22 is: 159,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,066.14 : 258,134.46 = 115,469.22 : x
  2. Step 2: Convert to fraction form
    187,066.14/258,134.46 = 115,469.22/x
  3. Step 3: Cross multiply
    187,066.14x = 258,134.46 × 115,469.22
  4. Step 4: Simplify right side
    187,066.14x = 29,806,584,751.32
  5. Step 5: Solve for x
    x = 29,806,584,751.32/187,066.14
  6. Step 6: Final answer
    x = 159,337.15

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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.