Home / 187,212.06-258,352.77-102,329.12

Finding the Fourth Proportional to 187,212.06, 258,352.77 and 102,329.12

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Solution

The fourth proportional to 187,212.06, 258,352.77 and 102,329.12 is: 141,214.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,212.06 : 258,352.77 = 102,329.12 : x
  2. Step 2: Convert to fraction form
    187,212.06/258,352.77 = 102,329.12/x
  3. Step 3: Cross multiply
    187,212.06x = 258,352.77 × 102,329.12
  4. Step 4: Simplify right side
    187,212.06x = 26,437,010,311.90
  5. Step 5: Solve for x
    x = 26,437,010,311.90/187,212.06
  6. Step 6: Final answer
    x = 141,214.25

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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.