Home / 119,212.45-164,444.74-74,422.69

Finding the Fourth Proportional to 119,212.45, 164,444.74 and 74,422.69

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Solution

The fourth proportional to 119,212.45, 164,444.74 and 74,422.69 is: 102,660.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,212.45 : 164,444.74 = 74,422.69 : x
  2. Step 2: Convert to fraction form
    119,212.45/164,444.74 = 74,422.69/x
  3. Step 3: Cross multiply
    119,212.45x = 164,444.74 × 74,422.69
  4. Step 4: Simplify right side
    119,212.45x = 12,238,419,907.15
  5. Step 5: Solve for x
    x = 12,238,419,907.15/119,212.45
  6. Step 6: Final answer
    x = 102,660.59

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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.