Home / 190,908.03-263,437.71-110,340.78

Finding the Fourth Proportional to 190,908.03, 263,437.71 and 110,340.78

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Solution

The fourth proportional to 190,908.03, 263,437.71 and 110,340.78 is: 152,261.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,908.03 : 263,437.71 = 110,340.78 : x
  2. Step 2: Convert to fraction form
    190,908.03/263,437.71 = 110,340.78/x
  3. Step 3: Cross multiply
    190,908.03x = 263,437.71 × 110,340.78
  4. Step 4: Simplify right side
    190,908.03x = 29,067,922,402.81
  5. Step 5: Solve for x
    x = 29,067,922,402.81/190,908.03
  6. Step 6: Final answer
    x = 152,261.39

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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.