Home / 190,139.90-262,392.62-113,655.29

Finding the Fourth Proportional to 190,139.90, 262,392.62 and 113,655.29

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Solution

The fourth proportional to 190,139.90, 262,392.62 and 113,655.29 is: 156,844.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,139.90 : 262,392.62 = 113,655.29 : x
  2. Step 2: Convert to fraction form
    190,139.90/262,392.62 = 113,655.29/x
  3. Step 3: Cross multiply
    190,139.90x = 262,392.62 × 113,655.29
  4. Step 4: Simplify right side
    190,139.90x = 29,822,307,439.72
  5. Step 5: Solve for x
    x = 29,822,307,439.72/190,139.90
  6. Step 6: Final answer
    x = 156,844.03

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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.