Home / 202,066.80-303,683.40-198,567.60

Finding the Fourth Proportional to 202,066.80, 303,683.40 and 198,567.60

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Solution

The fourth proportional to 202,066.80, 303,683.40 and 198,567.60 is: 298,424.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,066.80 : 303,683.40 = 198,567.60 : x
  2. Step 2: Convert to fraction form
    202,066.80/303,683.40 = 198,567.60/x
  3. Step 3: Cross multiply
    202,066.80x = 303,683.40 × 198,567.60
  4. Step 4: Simplify right side
    202,066.80x = 60,301,683,897.84
  5. Step 5: Solve for x
    x = 60,301,683,897.84/202,066.80
  6. Step 6: Final answer
    x = 298,424.50

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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.