Home / 108,213.89-149,334.85-60,467.28

Finding the Fourth Proportional to 108,213.89, 149,334.85 and 60,467.28

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Solution

The fourth proportional to 108,213.89, 149,334.85 and 60,467.28 is: 83,444.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,213.89 : 149,334.85 = 60,467.28 : x
  2. Step 2: Convert to fraction form
    108,213.89/149,334.85 = 60,467.28/x
  3. Step 3: Cross multiply
    108,213.89x = 149,334.85 × 60,467.28
  4. Step 4: Simplify right side
    108,213.89x = 9,029,871,704.29
  5. Step 5: Solve for x
    x = 9,029,871,704.29/108,213.89
  6. Step 6: Final answer
    x = 83,444.67

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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.