Home / 328,050.30-492,075.45-162,162.30

Finding the Fourth Proportional to 328,050.30, 492,075.45 and 162,162.30

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Solution

The fourth proportional to 328,050.30, 492,075.45 and 162,162.30 is: 243,243.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,050.30 : 492,075.45 = 162,162.30 : x
  2. Step 2: Convert to fraction form
    328,050.30/492,075.45 = 162,162.30/x
  3. Step 3: Cross multiply
    328,050.30x = 492,075.45 × 162,162.30
  4. Step 4: Simplify right side
    328,050.30x = 79,796,086,745.54
  5. Step 5: Solve for x
    x = 79,796,086,745.54/328,050.30
  6. Step 6: Final answer
    x = 243,243.45

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1.5x scale

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.