Home / 195,655.90-270,069.27-115,079.26

Finding the Fourth Proportional to 195,655.90, 270,069.27 and 115,079.26

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Solution

The fourth proportional to 195,655.90, 270,069.27 and 115,079.26 is: 158,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,655.90 : 270,069.27 = 115,079.26 : x
  2. Step 2: Convert to fraction form
    195,655.90/270,069.27 = 115,079.26/x
  3. Step 3: Cross multiply
    195,655.90x = 270,069.27 × 115,079.26
  4. Step 4: Simplify right side
    195,655.90x = 31,079,371,740.34
  5. Step 5: Solve for x
    x = 31,079,371,740.34/195,655.90
  6. Step 6: Final answer
    x = 158,847.10

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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.