Home / 121,226.48-167,292.36-67,516.16

Finding the Fourth Proportional to 121,226.48, 167,292.36 and 67,516.16

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Solution

The fourth proportional to 121,226.48, 167,292.36 and 67,516.16 is: 93,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,226.48 : 167,292.36 = 67,516.16 : x
  2. Step 2: Convert to fraction form
    121,226.48/167,292.36 = 67,516.16/x
  3. Step 3: Cross multiply
    121,226.48x = 167,292.36 × 67,516.16
  4. Step 4: Simplify right side
    121,226.48x = 11,294,937,744.54
  5. Step 5: Solve for x
    x = 11,294,937,744.54/121,226.48
  6. Step 6: Final answer
    x = 93,172.20

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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.