Home / 190,930.49-263,454.81-110,342.47

Finding the Fourth Proportional to 190,930.49, 263,454.81 and 110,342.47

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Solution

The fourth proportional to 190,930.49, 263,454.81 and 110,342.47 is: 152,255.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,930.49 : 263,454.81 = 110,342.47 : x
  2. Step 2: Convert to fraction form
    190,930.49/263,454.81 = 110,342.47/x
  3. Step 3: Cross multiply
    190,930.49x = 263,454.81 × 110,342.47
  4. Step 4: Simplify right side
    190,930.49x = 29,070,253,151.51
  5. Step 5: Solve for x
    x = 29,070,253,151.51/190,930.49
  6. Step 6: Final answer
    x = 152,255.69

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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.