Home / 121,224.48-167,289.60-67,514.16

Finding the Fourth Proportional to 121,224.48, 167,289.60 and 67,514.16

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Solution

The fourth proportional to 121,224.48, 167,289.60 and 67,514.16 is: 93,169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,224.48 : 167,289.60 = 67,514.16 : x
  2. Step 2: Convert to fraction form
    121,224.48/167,289.60 = 67,514.16/x
  3. Step 3: Cross multiply
    121,224.48x = 167,289.60 × 67,514.16
  4. Step 4: Simplify right side
    121,224.48x = 11,294,416,820.74
  5. Step 5: Solve for x
    x = 11,294,416,820.74/121,224.48
  6. Step 6: Final answer
    x = 93,169.44

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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.