Home / 250,082.19-345,113.37-135,360.80

Finding the Fourth Proportional to 250,082.19, 345,113.37 and 135,360.80

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Solution

The fourth proportional to 250,082.19, 345,113.37 and 135,360.80 is: 186,797.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,082.19 : 345,113.37 = 135,360.80 : x
  2. Step 2: Convert to fraction form
    250,082.19/345,113.37 = 135,360.80/x
  3. Step 3: Cross multiply
    250,082.19x = 345,113.37 × 135,360.80
  4. Step 4: Simplify right side
    250,082.19x = 46,714,820,128.33
  5. Step 5: Solve for x
    x = 46,714,820,128.33/250,082.19
  6. Step 6: Final answer
    x = 186,797.87

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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.