Home / 190,911.40-263,442.35-110,344.15

Finding the Fourth Proportional to 190,911.40, 263,442.35 and 110,344.15

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Solution

The fourth proportional to 190,911.40, 263,442.35 and 110,344.15 is: 152,266.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,911.40 : 263,442.35 = 110,344.15 : x
  2. Step 2: Convert to fraction form
    190,911.40/263,442.35 = 110,344.15/x
  3. Step 3: Cross multiply
    190,911.40x = 263,442.35 × 110,344.15
  4. Step 4: Simplify right side
    190,911.40x = 29,069,320,315.82
  5. Step 5: Solve for x
    x = 29,069,320,315.82/190,911.40
  6. Step 6: Final answer
    x = 152,266.03

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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.