Home / 129,608.19-194,259.54-58,447.51

Finding the Fourth Proportional to 129,608.19, 194,259.54 and 58,447.51

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Solution

The fourth proportional to 129,608.19, 194,259.54 and 58,447.51 is: 87,602.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,608.19 : 194,259.54 = 58,447.51 : x
  2. Step 2: Convert to fraction form
    129,608.19/194,259.54 = 58,447.51/x
  3. Step 3: Cross multiply
    129,608.19x = 194,259.54 × 58,447.51
  4. Step 4: Simplify right side
    129,608.19x = 11,353,986,406.75
  5. Step 5: Solve for x
    x = 11,353,986,406.75/129,608.19
  6. Step 6: Final answer
    x = 87,602.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.