Home / 189,434.48-261,419.05-104,550.94

Finding the Fourth Proportional to 189,434.48, 261,419.05 and 104,550.94

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Solution

The fourth proportional to 189,434.48, 261,419.05 and 104,550.94 is: 144,280.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,434.48 : 261,419.05 = 104,550.94 : x
  2. Step 2: Convert to fraction form
    189,434.48/261,419.05 = 104,550.94/x
  3. Step 3: Cross multiply
    189,434.48x = 261,419.05 × 104,550.94
  4. Step 4: Simplify right side
    189,434.48x = 27,331,606,888.55
  5. Step 5: Solve for x
    x = 27,331,606,888.55/189,434.48
  6. Step 6: Final answer
    x = 144,280.00

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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.