Home / 187,415.12-258,650.64-102,544.94

Finding the Fourth Proportional to 187,415.12, 258,650.64 and 102,544.94

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Solution

The fourth proportional to 187,415.12, 258,650.64 and 102,544.94 is: 141,521.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,415.12 : 258,650.64 = 102,544.94 : x
  2. Step 2: Convert to fraction form
    187,415.12/258,650.64 = 102,544.94/x
  3. Step 3: Cross multiply
    187,415.12x = 258,650.64 × 102,544.94
  4. Step 4: Simplify right side
    187,415.12x = 26,523,314,359.76
  5. Step 5: Solve for x
    x = 26,523,314,359.76/187,415.12
  6. Step 6: Final answer
    x = 141,521.74

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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.