Home / 119,340.09-164,690.52-65,625.49

Finding the Fourth Proportional to 119,340.09, 164,690.52 and 65,625.49

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Solution

The fourth proportional to 119,340.09, 164,690.52 and 65,625.49 is: 90,563.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,340.09 : 164,690.52 = 65,625.49 : x
  2. Step 2: Convert to fraction form
    119,340.09/164,690.52 = 65,625.49/x
  3. Step 3: Cross multiply
    119,340.09x = 164,690.52 × 65,625.49
  4. Step 4: Simplify right side
    119,340.09x = 10,807,895,745.23
  5. Step 5: Solve for x
    x = 10,807,895,745.23/119,340.09
  6. Step 6: Final answer
    x = 90,563.83

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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.