Home / 192,317.11-265,522.92-172,139.60

Finding the Fourth Proportional to 192,317.11, 265,522.92 and 172,139.60

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Solution

The fourth proportional to 192,317.11, 265,522.92 and 172,139.60 is: 237,664.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,317.11 : 265,522.92 = 172,139.60 : x
  2. Step 2: Convert to fraction form
    192,317.11/265,522.92 = 172,139.60/x
  3. Step 3: Cross multiply
    192,317.11x = 265,522.92 × 172,139.60
  4. Step 4: Simplify right side
    192,317.11x = 45,707,009,239.63
  5. Step 5: Solve for x
    x = 45,707,009,239.63/192,317.11
  6. Step 6: Final answer
    x = 237,664.81

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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.