Home / 119,013.96-164,228.71-68,016.56

Finding the Fourth Proportional to 119,013.96, 164,228.71 and 68,016.56

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Solution

The fourth proportional to 119,013.96, 164,228.71 and 68,016.56 is: 93,856.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,013.96 : 164,228.71 = 68,016.56 : x
  2. Step 2: Convert to fraction form
    119,013.96/164,228.71 = 68,016.56/x
  3. Step 3: Cross multiply
    119,013.96x = 164,228.71 × 68,016.56
  4. Step 4: Simplify right side
    119,013.96x = 11,170,271,907.44
  5. Step 5: Solve for x
    x = 11,170,271,907.44/119,013.96
  6. Step 6: Final answer
    x = 93,856.82

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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.