Home / 186,408.19-279,584.34-60,031.72

Finding the Fourth Proportional to 186,408.19, 279,584.34 and 60,031.72

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Solution

The fourth proportional to 186,408.19, 279,584.34 and 60,031.72 is: 90,038.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,408.19 : 279,584.34 = 60,031.72 : x
  2. Step 2: Convert to fraction form
    186,408.19/279,584.34 = 60,031.72/x
  3. Step 3: Cross multiply
    186,408.19x = 279,584.34 × 60,031.72
  4. Step 4: Simplify right side
    186,408.19x = 16,783,928,815.26
  5. Step 5: Solve for x
    x = 16,783,928,815.26/186,408.19
  6. Step 6: Final answer
    x = 90,038.58

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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.