Home / 276,075.45-413,621.10-170,771.40

Finding the Fourth Proportional to 276,075.45, 413,621.10 and 170,771.40

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Solution

The fourth proportional to 276,075.45, 413,621.10 and 170,771.40 is: 255,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,075.45 : 413,621.10 = 170,771.40 : x
  2. Step 2: Convert to fraction form
    276,075.45/413,621.10 = 170,771.40/x
  3. Step 3: Cross multiply
    276,075.45x = 413,621.10 × 170,771.40
  4. Step 4: Simplify right side
    276,075.45x = 70,634,654,316.54
  5. Step 5: Solve for x
    x = 70,634,654,316.54/276,075.45
  6. Step 6: Final answer
    x = 255,852.72

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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.