Home / 189,419.07-261,397.11-104,536.14

Finding the Fourth Proportional to 189,419.07, 261,397.11 and 104,536.14

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Solution

The fourth proportional to 189,419.07, 261,397.11 and 104,536.14 is: 144,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,419.07 : 261,397.11 = 104,536.14 : x
  2. Step 2: Convert to fraction form
    189,419.07/261,397.11 = 104,536.14/x
  3. Step 3: Cross multiply
    189,419.07x = 261,397.11 × 104,536.14
  4. Step 4: Simplify right side
    189,419.07x = 27,325,444,886.56
  5. Step 5: Solve for x
    x = 27,325,444,886.56/189,419.07
  6. Step 6: Final answer
    x = 144,259.21

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1.5x scale

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.