Home / 250,945.86-346,305.56-136,224.45

Finding the Fourth Proportional to 250,945.86, 346,305.56 and 136,224.45

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Solution

The fourth proportional to 250,945.86, 346,305.56 and 136,224.45 is: 187,989.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,945.86 : 346,305.56 = 136,224.45 : x
  2. Step 2: Convert to fraction form
    250,945.86/346,305.56 = 136,224.45/x
  3. Step 3: Cross multiply
    250,945.86x = 346,305.56 × 136,224.45
  4. Step 4: Simplify right side
    250,945.86x = 47,175,283,761.82
  5. Step 5: Solve for x
    x = 47,175,283,761.82/250,945.86
  6. Step 6: Final answer
    x = 187,989.89

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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.