Home / 278,133.74-416,953.15-100,601.26

Finding the Fourth Proportional to 278,133.74, 416,953.15 and 100,601.26

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Solution

The fourth proportional to 278,133.74, 416,953.15 and 100,601.26 is: 150,812.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,133.74 : 416,953.15 = 100,601.26 : x
  2. Step 2: Convert to fraction form
    278,133.74/416,953.15 = 100,601.26/x
  3. Step 3: Cross multiply
    278,133.74x = 416,953.15 × 100,601.26
  4. Step 4: Simplify right side
    278,133.74x = 41,946,012,250.97
  5. Step 5: Solve for x
    x = 41,946,012,250.97/278,133.74
  6. Step 6: Final answer
    x = 150,812.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.