Home / 109,741.10-164,611.65-65,504.30

Finding the Fourth Proportional to 109,741.10, 164,611.65 and 65,504.30

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Solution

The fourth proportional to 109,741.10, 164,611.65 and 65,504.30 is: 98,256.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,741.10 : 164,611.65 = 65,504.30 : x
  2. Step 2: Convert to fraction form
    109,741.10/164,611.65 = 65,504.30/x
  3. Step 3: Cross multiply
    109,741.10x = 164,611.65 × 65,504.30
  4. Step 4: Simplify right side
    109,741.10x = 10,782,770,905.10
  5. Step 5: Solve for x
    x = 10,782,770,905.10/109,741.10
  6. Step 6: Final answer
    x = 98,256.45

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1.5x scale

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.