Home / 187,222.12-258,365.94-102,339.24

Finding the Fourth Proportional to 187,222.12, 258,365.94 and 102,339.24

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Solution

The fourth proportional to 187,222.12, 258,365.94 and 102,339.24 is: 141,227.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,222.12 : 258,365.94 = 102,339.24 : x
  2. Step 2: Convert to fraction form
    187,222.12/258,365.94 = 102,339.24/x
  3. Step 3: Cross multiply
    187,222.12x = 258,365.94 × 102,339.24
  4. Step 4: Simplify right side
    187,222.12x = 26,440,973,941.49
  5. Step 5: Solve for x
    x = 26,440,973,941.49/187,222.12
  6. Step 6: Final answer
    x = 141,227.83

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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.