Home / 121,344.60-181,628.10-94,906.20

Finding the Fourth Proportional to 121,344.60, 181,628.10 and 94,906.20

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Solution

The fourth proportional to 121,344.60, 181,628.10 and 94,906.20 is: 142,055.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,344.60 : 181,628.10 = 94,906.20 : x
  2. Step 2: Convert to fraction form
    121,344.60/181,628.10 = 94,906.20/x
  3. Step 3: Cross multiply
    121,344.60x = 181,628.10 × 94,906.20
  4. Step 4: Simplify right side
    121,344.60x = 17,237,632,784.22
  5. Step 5: Solve for x
    x = 17,237,632,784.22/121,344.60
  6. Step 6: Final answer
    x = 142,055.21

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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.