Home / 189,726.03-261,811.62-104,837.63

Finding the Fourth Proportional to 189,726.03, 261,811.62 and 104,837.63

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Solution

The fourth proportional to 189,726.03, 261,811.62 and 104,837.63 is: 144,670.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,726.03 : 261,811.62 = 104,837.63 : x
  2. Step 2: Convert to fraction form
    189,726.03/261,811.62 = 104,837.63/x
  3. Step 3: Cross multiply
    189,726.03x = 261,811.62 × 104,837.63
  4. Step 4: Simplify right side
    189,726.03x = 27,447,708,438.20
  5. Step 5: Solve for x
    x = 27,447,708,438.20/189,726.03
  6. Step 6: Final answer
    x = 144,670.23

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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.