Home / 250,121.04-345,175.74-136,944.60

Finding the Fourth Proportional to 250,121.04, 345,175.74 and 136,944.60

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Solution

The fourth proportional to 250,121.04, 345,175.74 and 136,944.60 is: 188,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,121.04 : 345,175.74 = 136,944.60 : x
  2. Step 2: Convert to fraction form
    250,121.04/345,175.74 = 136,944.60/x
  3. Step 3: Cross multiply
    250,121.04x = 345,175.74 × 136,944.60
  4. Step 4: Simplify right side
    250,121.04x = 47,269,953,644.00
  5. Step 5: Solve for x
    x = 47,269,953,644.00/250,121.04
  6. Step 6: Final answer
    x = 188,988.31

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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.