Home / 190,185.64-262,411.62-113,729.80

Finding the Fourth Proportional to 190,185.64, 262,411.62 and 113,729.80

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Solution

The fourth proportional to 190,185.64, 262,411.62 and 113,729.80 is: 156,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,185.64 : 262,411.62 = 113,729.80 : x
  2. Step 2: Convert to fraction form
    190,185.64/262,411.62 = 113,729.80/x
  3. Step 3: Cross multiply
    190,185.64x = 262,411.62 × 113,729.80
  4. Step 4: Simplify right side
    190,185.64x = 29,844,021,060.28
  5. Step 5: Solve for x
    x = 29,844,021,060.28/190,185.64
  6. Step 6: Final answer
    x = 156,920.48

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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.