Home / 187,406.69-258,627.45-102,523.74

Finding the Fourth Proportional to 187,406.69, 258,627.45 and 102,523.74

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Solution

The fourth proportional to 187,406.69, 258,627.45 and 102,523.74 is: 141,486.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,406.69 : 258,627.45 = 102,523.74 : x
  2. Step 2: Convert to fraction form
    187,406.69/258,627.45 = 102,523.74/x
  3. Step 3: Cross multiply
    187,406.69x = 258,627.45 × 102,523.74
  4. Step 4: Simplify right side
    187,406.69x = 26,515,453,440.66
  5. Step 5: Solve for x
    x = 26,515,453,440.66/187,406.69
  6. Step 6: Final answer
    x = 141,486.17

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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.