Home / 190,820.10-263,352.67-109,156.01

Finding the Fourth Proportional to 190,820.10, 263,352.67 and 109,156.01

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Solution

The fourth proportional to 190,820.10, 263,352.67 and 109,156.01 is: 150,647.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,820.10 : 263,352.67 = 109,156.01 : x
  2. Step 2: Convert to fraction form
    190,820.10/263,352.67 = 109,156.01/x
  3. Step 3: Cross multiply
    190,820.10x = 263,352.67 × 109,156.01
  4. Step 4: Simplify right side
    190,820.10x = 28,746,525,090.39
  5. Step 5: Solve for x
    x = 28,746,525,090.39/190,820.10
  6. Step 6: Final answer
    x = 150,647.26

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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.