Home / 386,062.03-578,895.60-161,361.15

Finding the Fourth Proportional to 386,062.03, 578,895.60 and 161,361.15

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Solution

The fourth proportional to 386,062.03, 578,895.60 and 161,361.15 is: 241,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,062.03 : 578,895.60 = 161,361.15 : x
  2. Step 2: Convert to fraction form
    386,062.03/578,895.60 = 161,361.15/x
  3. Step 3: Cross multiply
    386,062.03x = 578,895.60 × 161,361.15
  4. Step 4: Simplify right side
    386,062.03x = 93,411,259,745.94
  5. Step 5: Solve for x
    x = 93,411,259,745.94/386,062.03
  6. Step 6: Final answer
    x = 241,959.20

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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.