Home / 197,851.32-273,039.90-121,412.64

Finding the Fourth Proportional to 197,851.32, 273,039.90 and 121,412.64

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Solution

The fourth proportional to 197,851.32, 273,039.90 and 121,412.64 is: 167,552.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,851.32 : 273,039.90 = 121,412.64 : x
  2. Step 2: Convert to fraction form
    197,851.32/273,039.90 = 121,412.64/x
  3. Step 3: Cross multiply
    197,851.32x = 273,039.90 × 121,412.64
  4. Step 4: Simplify right side
    197,851.32x = 33,150,495,084.34
  5. Step 5: Solve for x
    x = 33,150,495,084.34/197,851.32
  6. Step 6: Final answer
    x = 167,552.56

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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.