Home / 351,271.12-484,750.80-190,122.64

Finding the Fourth Proportional to 351,271.12, 484,750.80 and 190,122.64

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Solution

The fourth proportional to 351,271.12, 484,750.80 and 190,122.64 is: 262,367.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,271.12 : 484,750.80 = 190,122.64 : x
  2. Step 2: Convert to fraction form
    351,271.12/484,750.80 = 190,122.64/x
  3. Step 3: Cross multiply
    351,271.12x = 484,750.80 × 190,122.64
  4. Step 4: Simplify right side
    351,271.12x = 92,162,101,838.11
  5. Step 5: Solve for x
    x = 92,162,101,838.11/351,271.12
  6. Step 6: Final answer
    x = 262,367.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.