Home / 189,587.71-261,632.60-104,706.19

Finding the Fourth Proportional to 189,587.71, 261,632.60 and 104,706.19

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Solution

The fourth proportional to 189,587.71, 261,632.60 and 104,706.19 is: 144,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,587.71 : 261,632.60 = 104,706.19 : x
  2. Step 2: Convert to fraction form
    189,587.71/261,632.60 = 104,706.19/x
  3. Step 3: Cross multiply
    189,587.71x = 261,632.60 × 104,706.19
  4. Step 4: Simplify right side
    189,587.71x = 27,394,552,725.79
  5. Step 5: Solve for x
    x = 27,394,552,725.79/189,587.71
  6. Step 6: Final answer
    x = 144,495.40

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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.