Home / 109,119.22-163,685.75-34,242.32

Finding the Fourth Proportional to 109,119.22, 163,685.75 and 34,242.32

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Solution

The fourth proportional to 109,119.22, 163,685.75 and 34,242.32 is: 51,365.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,119.22 : 163,685.75 = 34,242.32 : x
  2. Step 2: Convert to fraction form
    109,119.22/163,685.75 = 34,242.32/x
  3. Step 3: Cross multiply
    109,119.22x = 163,685.75 × 34,242.32
  4. Step 4: Simplify right side
    109,119.22x = 5,604,980,240.15
  5. Step 5: Solve for x
    x = 5,604,980,240.15/109,119.22
  6. Step 6: Final answer
    x = 51,365.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.