Home / 190,160.43-262,420.95-109,587.26

Finding the Fourth Proportional to 190,160.43, 262,420.95 and 109,587.26

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Solution

The fourth proportional to 190,160.43, 262,420.95 and 109,587.26 is: 151,230.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,160.43 : 262,420.95 = 109,587.26 : x
  2. Step 2: Convert to fraction form
    190,160.43/262,420.95 = 109,587.26/x
  3. Step 3: Cross multiply
    190,160.43x = 262,420.95 × 109,587.26
  4. Step 4: Simplify right side
    190,160.43x = 28,757,992,877.10
  5. Step 5: Solve for x
    x = 28,757,992,877.10/190,160.43
  6. Step 6: Final answer
    x = 151,230.16

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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.