Home / 190,073.27-262,272.89-115,442.88

Finding the Fourth Proportional to 190,073.27, 262,272.89 and 115,442.88

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Solution

The fourth proportional to 190,073.27, 262,272.89 and 115,442.88 is: 159,294.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,073.27 : 262,272.89 = 115,442.88 : x
  2. Step 2: Convert to fraction form
    190,073.27/262,272.89 = 115,442.88/x
  3. Step 3: Cross multiply
    190,073.27x = 262,272.89 × 115,442.88
  4. Step 4: Simplify right side
    190,073.27x = 30,277,537,190.31
  5. Step 5: Solve for x
    x = 30,277,537,190.31/190,073.27
  6. Step 6: Final answer
    x = 159,294.03

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1.5x scale

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.