Home / 187,111.50-258,219.35-102,234.03

Finding the Fourth Proportional to 187,111.50, 258,219.35 and 102,234.03

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Solution

The fourth proportional to 187,111.50, 258,219.35 and 102,234.03 is: 141,085.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,111.50 : 258,219.35 = 102,234.03 : x
  2. Step 2: Convert to fraction form
    187,111.50/258,219.35 = 102,234.03/x
  3. Step 3: Cross multiply
    187,111.50x = 258,219.35 × 102,234.03
  4. Step 4: Simplify right side
    187,111.50x = 26,398,804,263.31
  5. Step 5: Solve for x
    x = 26,398,804,263.31/187,111.50
  6. Step 6: Final answer
    x = 141,085.95

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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.