Home / 193,330-266,795.40-117,894.16

Finding the Fourth Proportional to 193,330, 266,795.40 and 117,894.16

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Solution

The fourth proportional to 193,330, 266,795.40 and 117,894.16 is: 162,693.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,330 : 266,795.40 = 117,894.16 : x
  2. Step 2: Convert to fraction form
    193,330/266,795.40 = 117,894.16/x
  3. Step 3: Cross multiply
    193,330x = 266,795.40 × 117,894.16
  4. Step 4: Simplify right side
    193,330x = 31,453,619,574.86
  5. Step 5: Solve for x
    x = 31,453,619,574.86/193,330
  6. Step 6: Final answer
    x = 162,693.94

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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.