Home / 124,201.36-171,401.20-67,615.12

Finding the Fourth Proportional to 124,201.36, 171,401.20 and 67,615.12

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Solution

The fourth proportional to 124,201.36, 171,401.20 and 67,615.12 is: 93,310.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,201.36 : 171,401.20 = 67,615.12 : x
  2. Step 2: Convert to fraction form
    124,201.36/171,401.20 = 67,615.12/x
  3. Step 3: Cross multiply
    124,201.36x = 171,401.20 × 67,615.12
  4. Step 4: Simplify right side
    124,201.36x = 11,589,312,706.14
  5. Step 5: Solve for x
    x = 11,589,312,706.14/124,201.36
  6. Step 6: Final answer
    x = 93,310.67

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1.5x scale

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.