Home / 236,102.85-325,812.45-128,670.60

Finding the Fourth Proportional to 236,102.85, 325,812.45 and 128,670.60

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Solution

The fourth proportional to 236,102.85, 325,812.45 and 128,670.60 is: 177,560.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,102.85 : 325,812.45 = 128,670.60 : x
  2. Step 2: Convert to fraction form
    236,102.85/325,812.45 = 128,670.60/x
  3. Step 3: Cross multiply
    236,102.85x = 325,812.45 × 128,670.60
  4. Step 4: Simplify right side
    236,102.85x = 41,922,483,428.97
  5. Step 5: Solve for x
    x = 41,922,483,428.97/236,102.85
  6. Step 6: Final answer
    x = 177,560.26

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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.