Home / 195,741.47-270,110.45-115,153.43

Finding the Fourth Proportional to 195,741.47, 270,110.45 and 115,153.43

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Solution

The fourth proportional to 195,741.47, 270,110.45 and 115,153.43 is: 158,904.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,741.47 : 270,110.45 = 115,153.43 : x
  2. Step 2: Convert to fraction form
    195,741.47/270,110.45 = 115,153.43/x
  3. Step 3: Cross multiply
    195,741.47x = 270,110.45 × 115,153.43
  4. Step 4: Simplify right side
    195,741.47x = 31,104,144,035.55
  5. Step 5: Solve for x
    x = 31,104,144,035.55/195,741.47
  6. Step 6: Final answer
    x = 158,904.21

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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.