Home / 121,131.64-181,726.22-38,025.64

Finding the Fourth Proportional to 121,131.64, 181,726.22 and 38,025.64

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Solution

The fourth proportional to 121,131.64, 181,726.22 and 38,025.64 is: 57,047.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,131.64 : 181,726.22 = 38,025.64 : x
  2. Step 2: Convert to fraction form
    121,131.64/181,726.22 = 38,025.64/x
  3. Step 3: Cross multiply
    121,131.64x = 181,726.22 × 38,025.64
  4. Step 4: Simplify right side
    121,131.64x = 6,910,255,820.28
  5. Step 5: Solve for x
    x = 6,910,255,820.28/121,131.64
  6. Step 6: Final answer
    x = 57,047.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.