Home / 195,109.05-269,293.92-118,611.95

Finding the Fourth Proportional to 195,109.05, 269,293.92 and 118,611.95

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Solution

The fourth proportional to 195,109.05, 269,293.92 and 118,611.95 is: 163,710.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,109.05 : 269,293.92 = 118,611.95 : x
  2. Step 2: Convert to fraction form
    195,109.05/269,293.92 = 118,611.95/x
  3. Step 3: Cross multiply
    195,109.05x = 269,293.92 × 118,611.95
  4. Step 4: Simplify right side
    195,109.05x = 31,941,475,627.87
  5. Step 5: Solve for x
    x = 31,941,475,627.87/195,109.05
  6. Step 6: Final answer
    x = 163,710.89

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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.