Home / 136,863.22-205,294.83-70,266.34

Finding the Fourth Proportional to 136,863.22, 205,294.83 and 70,266.34

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Solution

The fourth proportional to 136,863.22, 205,294.83 and 70,266.34 is: 105,399.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,863.22 : 205,294.83 = 70,266.34 : x
  2. Step 2: Convert to fraction form
    136,863.22/205,294.83 = 70,266.34/x
  3. Step 3: Cross multiply
    136,863.22x = 205,294.83 × 70,266.34
  4. Step 4: Simplify right side
    136,863.22x = 14,425,315,360.98
  5. Step 5: Solve for x
    x = 14,425,315,360.98/136,863.22
  6. Step 6: Final answer
    x = 105,399.50

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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.