Home / 253,990.06-350,506.77-140,812.81

Finding the Fourth Proportional to 253,990.06, 350,506.77 and 140,812.81

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Solution

The fourth proportional to 253,990.06, 350,506.77 and 140,812.81 is: 194,321.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,990.06 : 350,506.77 = 140,812.81 : x
  2. Step 2: Convert to fraction form
    253,990.06/350,506.77 = 140,812.81/x
  3. Step 3: Cross multiply
    253,990.06x = 350,506.77 × 140,812.81
  4. Step 4: Simplify right side
    253,990.06x = 49,355,843,207.72
  5. Step 5: Solve for x
    x = 49,355,843,207.72/253,990.06
  6. Step 6: Final answer
    x = 194,321.95

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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.