Home / 195,955.32-270,429-109,941.51

Finding the Fourth Proportional to 195,955.32, 270,429 and 109,941.51

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Solution

The fourth proportional to 195,955.32, 270,429 and 109,941.51 is: 151,725.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,955.32 : 270,429 = 109,941.51 : x
  2. Step 2: Convert to fraction form
    195,955.32/270,429 = 109,941.51/x
  3. Step 3: Cross multiply
    195,955.32x = 270,429 × 109,941.51
  4. Step 4: Simplify right side
    195,955.32x = 29,731,372,607.79
  5. Step 5: Solve for x
    x = 29,731,372,607.79/195,955.32
  6. Step 6: Final answer
    x = 151,725.26

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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.