Home / 217,570.50-300,247.38-132,705.18

Finding the Fourth Proportional to 217,570.50, 300,247.38 and 132,705.18

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Solution

The fourth proportional to 217,570.50, 300,247.38 and 132,705.18 is: 183,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,570.50 : 300,247.38 = 132,705.18 : x
  2. Step 2: Convert to fraction form
    217,570.50/300,247.38 = 132,705.18/x
  3. Step 3: Cross multiply
    217,570.50x = 300,247.38 × 132,705.18
  4. Step 4: Simplify right side
    217,570.50x = 39,844,382,607.43
  5. Step 5: Solve for x
    x = 39,844,382,607.43/217,570.50
  6. Step 6: Final answer
    x = 183,133.20

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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.