Home / 309,112.19-463,699.75-106,681.95

Finding the Fourth Proportional to 309,112.19, 463,699.75 and 106,681.95

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Solution

The fourth proportional to 309,112.19, 463,699.75 and 106,681.95 is: 160,033.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,112.19 : 463,699.75 = 106,681.95 : x
  2. Step 2: Convert to fraction form
    309,112.19/463,699.75 = 106,681.95/x
  3. Step 3: Cross multiply
    309,112.19x = 463,699.75 × 106,681.95
  4. Step 4: Simplify right side
    309,112.19x = 49,468,393,544.51
  5. Step 5: Solve for x
    x = 49,468,393,544.51/309,112.19
  6. Step 6: Final answer
    x = 160,033.78

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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.