Home / 351,287.40-484,776.06-190,142.28

Finding the Fourth Proportional to 351,287.40, 484,776.06 and 190,142.28

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Solution

The fourth proportional to 351,287.40, 484,776.06 and 190,142.28 is: 262,396.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,287.40 : 484,776.06 = 190,142.28 : x
  2. Step 2: Convert to fraction form
    351,287.40/484,776.06 = 190,142.28/x
  3. Step 3: Cross multiply
    351,287.40x = 484,776.06 × 190,142.28
  4. Step 4: Simplify right side
    351,287.40x = 92,176,425,337.82
  5. Step 5: Solve for x
    x = 92,176,425,337.82/351,287.40
  6. Step 6: Final answer
    x = 262,396.05

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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.