Home / 166,636.14-229,718.66-118,806.45

Finding the Fourth Proportional to 166,636.14, 229,718.66 and 118,806.45

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Solution

The fourth proportional to 166,636.14, 229,718.66 and 118,806.45 is: 163,782.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,636.14 : 229,718.66 = 118,806.45 : x
  2. Step 2: Convert to fraction form
    166,636.14/229,718.66 = 118,806.45/x
  3. Step 3: Cross multiply
    166,636.14x = 229,718.66 × 118,806.45
  4. Step 4: Simplify right side
    166,636.14x = 27,292,057,899.32
  5. Step 5: Solve for x
    x = 27,292,057,899.32/166,636.14
  6. Step 6: Final answer
    x = 163,782.35

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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.