Home / 121,226.51-167,280.60-67,516.52

Finding the Fourth Proportional to 121,226.51, 167,280.60 and 67,516.52

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Solution

The fourth proportional to 121,226.51, 167,280.60 and 67,516.52 is: 93,166.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,226.51 : 167,280.60 = 67,516.52 : x
  2. Step 2: Convert to fraction form
    121,226.51/167,280.60 = 67,516.52/x
  3. Step 3: Cross multiply
    121,226.51x = 167,280.60 × 67,516.52
  4. Step 4: Simplify right side
    121,226.51x = 11,294,203,975.51
  5. Step 5: Solve for x
    x = 11,294,203,975.51/121,226.51
  6. Step 6: Final answer
    x = 93,166.12

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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.