Home / 349,867.40-482,810.10-190,891.40

Finding the Fourth Proportional to 349,867.40, 482,810.10 and 190,891.40

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Solution

The fourth proportional to 349,867.40, 482,810.10 and 190,891.40 is: 263,426.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,867.40 : 482,810.10 = 190,891.40 : x
  2. Step 2: Convert to fraction form
    349,867.40/482,810.10 = 190,891.40/x
  3. Step 3: Cross multiply
    349,867.40x = 482,810.10 × 190,891.40
  4. Step 4: Simplify right side
    349,867.40x = 92,164,295,923.14
  5. Step 5: Solve for x
    x = 92,164,295,923.14/349,867.40
  6. Step 6: Final answer
    x = 263,426.36

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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.