Home / 190,538.14-262,821.86-122,437.93

Finding the Fourth Proportional to 190,538.14, 262,821.86 and 122,437.93

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Solution

The fourth proportional to 190,538.14, 262,821.86 and 122,437.93 is: 168,886.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,538.14 : 262,821.86 = 122,437.93 : x
  2. Step 2: Convert to fraction form
    190,538.14/262,821.86 = 122,437.93/x
  3. Step 3: Cross multiply
    190,538.14x = 262,821.86 × 122,437.93
  4. Step 4: Simplify right side
    190,538.14x = 32,179,363,687.05
  5. Step 5: Solve for x
    x = 32,179,363,687.05/190,538.14
  6. Step 6: Final answer
    x = 168,886.73

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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.