Home / 119,208.94-164,519.76-68,211.52

Finding the Fourth Proportional to 119,208.94, 164,519.76 and 68,211.52

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Solution

The fourth proportional to 119,208.94, 164,519.76 and 68,211.52 is: 94,138.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,208.94 : 164,519.76 = 68,211.52 : x
  2. Step 2: Convert to fraction form
    119,208.94/164,519.76 = 68,211.52/x
  3. Step 3: Cross multiply
    119,208.94x = 164,519.76 × 68,211.52
  4. Step 4: Simplify right side
    119,208.94x = 11,222,142,899.64
  5. Step 5: Solve for x
    x = 11,222,142,899.64/119,208.94
  6. Step 6: Final answer
    x = 94,138.43

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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.