Home / 195,673.56-293,704.74-90,516.12

Finding the Fourth Proportional to 195,673.56, 293,704.74 and 90,516.12

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Solution

The fourth proportional to 195,673.56, 293,704.74 and 90,516.12 is: 135,864.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,673.56 : 293,704.74 = 90,516.12 : x
  2. Step 2: Convert to fraction form
    195,673.56/293,704.74 = 90,516.12/x
  3. Step 3: Cross multiply
    195,673.56x = 293,704.74 × 90,516.12
  4. Step 4: Simplify right side
    195,673.56x = 26,585,013,490.41
  5. Step 5: Solve for x
    x = 26,585,013,490.41/195,673.56
  6. Step 6: Final answer
    x = 135,864.11

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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.