Home / 276,629.10-414,943.65-170,340.90

Finding the Fourth Proportional to 276,629.10, 414,943.65 and 170,340.90

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Solution

The fourth proportional to 276,629.10, 414,943.65 and 170,340.90 is: 255,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,629.10 : 414,943.65 = 170,340.90 : x
  2. Step 2: Convert to fraction form
    276,629.10/414,943.65 = 170,340.90/x
  3. Step 3: Cross multiply
    276,629.10x = 414,943.65 × 170,340.90
  4. Step 4: Simplify right side
    276,629.10x = 70,681,874,790.29
  5. Step 5: Solve for x
    x = 70,681,874,790.29/276,629.10
  6. Step 6: Final answer
    x = 255,511.35

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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.