Home / 212,162.66-292,786.54-116,670

Finding the Fourth Proportional to 212,162.66, 292,786.54 and 116,670

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Solution

The fourth proportional to 212,162.66, 292,786.54 and 116,670 is: 161,005.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,162.66 : 292,786.54 = 116,670 : x
  2. Step 2: Convert to fraction form
    212,162.66/292,786.54 = 116,670/x
  3. Step 3: Cross multiply
    212,162.66x = 292,786.54 × 116,670
  4. Step 4: Simplify right side
    212,162.66x = 34,159,405,330.13
  5. Step 5: Solve for x
    x = 34,159,405,330.13/212,162.66
  6. Step 6: Final answer
    x = 161,005.74

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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.