Home / 190,618.56-263,060.16-115,152.48

Finding the Fourth Proportional to 190,618.56, 263,060.16 and 115,152.48

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Solution

The fourth proportional to 190,618.56, 263,060.16 and 115,152.48 is: 158,914.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,618.56 : 263,060.16 = 115,152.48 : x
  2. Step 2: Convert to fraction form
    190,618.56/263,060.16 = 115,152.48/x
  3. Step 3: Cross multiply
    190,618.56x = 263,060.16 × 115,152.48
  4. Step 4: Simplify right side
    190,618.56x = 30,292,029,813.20
  5. Step 5: Solve for x
    x = 30,292,029,813.20/190,618.56
  6. Step 6: Final answer
    x = 158,914.38

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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.