Home / 187,175.09-258,301.04-102,292.15

Finding the Fourth Proportional to 187,175.09, 258,301.04 and 102,292.15

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Solution

The fourth proportional to 187,175.09, 258,301.04 and 102,292.15 is: 141,162.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,175.09 : 258,301.04 = 102,292.15 : x
  2. Step 2: Convert to fraction form
    187,175.09/258,301.04 = 102,292.15/x
  3. Step 3: Cross multiply
    187,175.09x = 258,301.04 × 102,292.15
  4. Step 4: Simplify right side
    187,175.09x = 26,422,168,728.84
  5. Step 5: Solve for x
    x = 26,422,168,728.84/187,175.09
  6. Step 6: Final answer
    x = 141,162.85

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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.