Home / 190,283.51-262,464.65-122,386.37

Finding the Fourth Proportional to 190,283.51, 262,464.65 and 122,386.37

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Solution

The fourth proportional to 190,283.51, 262,464.65 and 122,386.37 is: 168,811.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,283.51 : 262,464.65 = 122,386.37 : x
  2. Step 2: Convert to fraction form
    190,283.51/262,464.65 = 122,386.37/x
  3. Step 3: Cross multiply
    190,283.51x = 262,464.65 × 122,386.37
  4. Step 4: Simplify right side
    190,283.51x = 32,122,095,154.89
  5. Step 5: Solve for x
    x = 32,122,095,154.89/190,283.51
  6. Step 6: Final answer
    x = 168,811.76

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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.