Home / 189,314.24-261,255.04-104,434.34

Finding the Fourth Proportional to 189,314.24, 261,255.04 and 104,434.34

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Solution

The fourth proportional to 189,314.24, 261,255.04 and 104,434.34 is: 144,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,314.24 : 261,255.04 = 104,434.34 : x
  2. Step 2: Convert to fraction form
    189,314.24/261,255.04 = 104,434.34/x
  3. Step 3: Cross multiply
    189,314.24x = 261,255.04 × 104,434.34
  4. Step 4: Simplify right side
    189,314.24x = 27,283,996,106.71
  5. Step 5: Solve for x
    x = 27,283,996,106.71/189,314.24
  6. Step 6: Final answer
    x = 144,120.15

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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.