Home / 195,407.79-269,611.45-112,601.40

Finding the Fourth Proportional to 195,407.79, 269,611.45 and 112,601.40

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Solution

The fourth proportional to 195,407.79, 269,611.45 and 112,601.40 is: 155,360.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,407.79 : 269,611.45 = 112,601.40 : x
  2. Step 2: Convert to fraction form
    195,407.79/269,611.45 = 112,601.40/x
  3. Step 3: Cross multiply
    195,407.79x = 269,611.45 × 112,601.40
  4. Step 4: Simplify right side
    195,407.79x = 30,358,626,726.03
  5. Step 5: Solve for x
    x = 30,358,626,726.03/195,407.79
  6. Step 6: Final answer
    x = 155,360.37

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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.