Home / 386,091.10-578,675.85-161,451.10

Finding the Fourth Proportional to 386,091.10, 578,675.85 and 161,451.10

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Solution

The fourth proportional to 386,091.10, 578,675.85 and 161,451.10 is: 241,983.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,091.10 : 578,675.85 = 161,451.10 : x
  2. Step 2: Convert to fraction form
    386,091.10/578,675.85 = 161,451.10/x
  3. Step 3: Cross multiply
    386,091.10x = 578,675.85 × 161,451.10
  4. Step 4: Simplify right side
    386,091.10x = 93,427,852,525.94
  5. Step 5: Solve for x
    x = 93,427,852,525.94/386,091.10
  6. Step 6: Final answer
    x = 241,983.96

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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.