Home / 315,049.17-471,562.20-165,075.60

Finding the Fourth Proportional to 315,049.17, 471,562.20 and 165,075.60

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Solution

The fourth proportional to 315,049.17, 471,562.20 and 165,075.60 is: 247,083.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,049.17 : 471,562.20 = 165,075.60 : x
  2. Step 2: Convert to fraction form
    315,049.17/471,562.20 = 165,075.60/x
  3. Step 3: Cross multiply
    315,049.17x = 471,562.20 × 165,075.60
  4. Step 4: Simplify right side
    315,049.17x = 77,843,413,102.32
  5. Step 5: Solve for x
    x = 77,843,413,102.32/315,049.17
  6. Step 6: Final answer
    x = 247,083.38

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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.