Home / 164,585.66-227,065.60-121,668.19

Finding the Fourth Proportional to 164,585.66, 227,065.60 and 121,668.19

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Solution

The fourth proportional to 164,585.66, 227,065.60 and 121,668.19 is: 167,855.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,585.66 : 227,065.60 = 121,668.19 : x
  2. Step 2: Convert to fraction form
    164,585.66/227,065.60 = 121,668.19/x
  3. Step 3: Cross multiply
    164,585.66x = 227,065.60 × 121,668.19
  4. Step 4: Simplify right side
    164,585.66x = 27,626,658,819.60
  5. Step 5: Solve for x
    x = 27,626,658,819.60/164,585.66
  6. Step 6: Final answer
    x = 167,855.81

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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.