Home / 197,683.68-272,804.04-107,040.72

Finding the Fourth Proportional to 197,683.68, 272,804.04 and 107,040.72

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Solution

The fourth proportional to 197,683.68, 272,804.04 and 107,040.72 is: 147,716.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,683.68 : 272,804.04 = 107,040.72 : x
  2. Step 2: Convert to fraction form
    197,683.68/272,804.04 = 107,040.72/x
  3. Step 3: Cross multiply
    197,683.68x = 272,804.04 × 107,040.72
  4. Step 4: Simplify right side
    197,683.68x = 29,201,140,860.51
  5. Step 5: Solve for x
    x = 29,201,140,860.51/197,683.68
  6. Step 6: Final answer
    x = 147,716.50

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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.