Home / 121,018.24-167,004.48-67,300.12

Finding the Fourth Proportional to 121,018.24, 167,004.48 and 67,300.12

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Solution

The fourth proportional to 121,018.24, 167,004.48 and 67,300.12 is: 92,873.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,018.24 : 167,004.48 = 67,300.12 : x
  2. Step 2: Convert to fraction form
    121,018.24/167,004.48 = 67,300.12/x
  3. Step 3: Cross multiply
    121,018.24x = 167,004.48 × 67,300.12
  4. Step 4: Simplify right side
    121,018.24x = 11,239,421,544.54
  5. Step 5: Solve for x
    x = 11,239,421,544.54/121,018.24
  6. Step 6: Final answer
    x = 92,873.78

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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.