Home / 250,072.36-345,100.44-136,902.40

Finding the Fourth Proportional to 250,072.36, 345,100.44 and 136,902.40

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Solution

The fourth proportional to 250,072.36, 345,100.44 and 136,902.40 is: 188,925.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,072.36 : 345,100.44 = 136,902.40 : x
  2. Step 2: Convert to fraction form
    250,072.36/345,100.44 = 136,902.40/x
  3. Step 3: Cross multiply
    250,072.36x = 345,100.44 × 136,902.40
  4. Step 4: Simplify right side
    250,072.36x = 47,245,078,477.06
  5. Step 5: Solve for x
    x = 47,245,078,477.06/250,072.36
  6. Step 6: Final answer
    x = 188,925.63

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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.