Home / 193,645.44-266,837.76-139,835.52

Finding the Fourth Proportional to 193,645.44, 266,837.76 and 139,835.52

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Solution

The fourth proportional to 193,645.44, 266,837.76 and 139,835.52 is: 192,689.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,645.44 : 266,837.76 = 139,835.52 : x
  2. Step 2: Convert to fraction form
    193,645.44/266,837.76 = 139,835.52/x
  3. Step 3: Cross multiply
    193,645.44x = 266,837.76 × 139,835.52
  4. Step 4: Simplify right side
    193,645.44x = 37,313,396,925.24
  5. Step 5: Solve for x
    x = 37,313,396,925.24/193,645.44
  6. Step 6: Final answer
    x = 192,689.26

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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.