Home / 166,621.81-229,698.91-118,792.12

Finding the Fourth Proportional to 166,621.81, 229,698.91 and 118,792.12

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Solution

The fourth proportional to 166,621.81, 229,698.91 and 118,792.12 is: 163,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,621.81 : 229,698.91 = 118,792.12 : x
  2. Step 2: Convert to fraction form
    166,621.81/229,698.91 = 118,792.12/x
  3. Step 3: Cross multiply
    166,621.81x = 229,698.91 × 118,792.12
  4. Step 4: Simplify right side
    166,621.81x = 27,286,420,480.59
  5. Step 5: Solve for x
    x = 27,286,420,480.59/166,621.81
  6. Step 6: Final answer
    x = 163,762.60

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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.