Home / 193,055.51-266,416.68-117,604.01

Finding the Fourth Proportional to 193,055.51, 266,416.68 and 117,604.01

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Solution

The fourth proportional to 193,055.51, 266,416.68 and 117,604.01 is: 162,293.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,055.51 : 266,416.68 = 117,604.01 : x
  2. Step 2: Convert to fraction form
    193,055.51/266,416.68 = 117,604.01/x
  3. Step 3: Cross multiply
    193,055.51x = 266,416.68 × 117,604.01
  4. Step 4: Simplify right side
    193,055.51x = 31,331,668,566.80
  5. Step 5: Solve for x
    x = 31,331,668,566.80/193,055.51
  6. Step 6: Final answer
    x = 162,293.58

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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.