Home / 187,071.66-258,164.56-102,194.19

Finding the Fourth Proportional to 187,071.66, 258,164.56 and 102,194.19

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Solution

The fourth proportional to 187,071.66, 258,164.56 and 102,194.19 is: 141,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,071.66 : 258,164.56 = 102,194.19 : x
  2. Step 2: Convert to fraction form
    187,071.66/258,164.56 = 102,194.19/x
  3. Step 3: Cross multiply
    187,071.66x = 258,164.56 × 102,194.19
  4. Step 4: Simplify right side
    187,071.66x = 26,382,917,840.42
  5. Step 5: Solve for x
    x = 26,382,917,840.42/187,071.66
  6. Step 6: Final answer
    x = 141,031.08

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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.