Home / 108,175.58-162,263.34-40,720.28

Finding the Fourth Proportional to 108,175.58, 162,263.34 and 40,720.28

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Solution

The fourth proportional to 108,175.58, 162,263.34 and 40,720.28 is: 61,080.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,175.58 : 162,263.34 = 40,720.28 : x
  2. Step 2: Convert to fraction form
    108,175.58/162,263.34 = 40,720.28/x
  3. Step 3: Cross multiply
    108,175.58x = 162,263.34 × 40,720.28
  4. Step 4: Simplify right side
    108,175.58x = 6,607,408,638.54
  5. Step 5: Solve for x
    x = 6,607,408,638.54/108,175.58
  6. Step 6: Final answer
    x = 61,080.41

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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.