Home / 193,439.06-266,957.75-108,556.13

Finding the Fourth Proportional to 193,439.06, 266,957.75 and 108,556.13

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Solution

The fourth proportional to 193,439.06, 266,957.75 and 108,556.13 is: 149,814.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,439.06 : 266,957.75 = 108,556.13 : x
  2. Step 2: Convert to fraction form
    193,439.06/266,957.75 = 108,556.13/x
  3. Step 3: Cross multiply
    193,439.06x = 266,957.75 × 108,556.13
  4. Step 4: Simplify right side
    193,439.06x = 28,979,900,213.51
  5. Step 5: Solve for x
    x = 28,979,900,213.51/193,439.06
  6. Step 6: Final answer
    x = 149,814.11

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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.