Home / 121,923.54-168,246.58-68,199.35

Finding the Fourth Proportional to 121,923.54, 168,246.58 and 68,199.35

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Solution

The fourth proportional to 121,923.54, 168,246.58 and 68,199.35 is: 94,110.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,923.54 : 168,246.58 = 68,199.35 : x
  2. Step 2: Convert to fraction form
    121,923.54/168,246.58 = 68,199.35/x
  3. Step 3: Cross multiply
    121,923.54x = 168,246.58 × 68,199.35
  4. Step 4: Simplify right side
    121,923.54x = 11,474,307,395.72
  5. Step 5: Solve for x
    x = 11,474,307,395.72/121,923.54
  6. Step 6: Final answer
    x = 94,110.68

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1.5x scale

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.