Home / 121,398.48-167,501.04-73,650.60

Finding the Fourth Proportional to 121,398.48, 167,501.04 and 73,650.60

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Solution

The fourth proportional to 121,398.48, 167,501.04 and 73,650.60 is: 101,620.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,398.48 : 167,501.04 = 73,650.60 : x
  2. Step 2: Convert to fraction form
    121,398.48/167,501.04 = 73,650.60/x
  3. Step 3: Cross multiply
    121,398.48x = 167,501.04 × 73,650.60
  4. Step 4: Simplify right side
    121,398.48x = 12,336,552,096.62
  5. Step 5: Solve for x
    x = 12,336,552,096.62/121,398.48
  6. Step 6: Final answer
    x = 101,620.32

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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.