Home / 250,036.85-345,048.05-136,858.25

Finding the Fourth Proportional to 250,036.85, 345,048.05 and 136,858.25

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Solution

The fourth proportional to 250,036.85, 345,048.05 and 136,858.25 is: 188,862.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,036.85 : 345,048.05 = 136,858.25 : x
  2. Step 2: Convert to fraction form
    250,036.85/345,048.05 = 136,858.25/x
  3. Step 3: Cross multiply
    250,036.85x = 345,048.05 × 136,858.25
  4. Step 4: Simplify right side
    250,036.85x = 47,222,671,604.62
  5. Step 5: Solve for x
    x = 47,222,671,604.62/250,036.85
  6. Step 6: Final answer
    x = 188,862.85

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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.