Home / 108,365.13-162,558.63-40,880.23

Finding the Fourth Proportional to 108,365.13, 162,558.63 and 40,880.23

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Solution

The fourth proportional to 108,365.13, 162,558.63 and 40,880.23 is: 61,324.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,365.13 : 162,558.63 = 40,880.23 : x
  2. Step 2: Convert to fraction form
    108,365.13/162,558.63 = 40,880.23/x
  3. Step 3: Cross multiply
    108,365.13x = 162,558.63 × 40,880.23
  4. Step 4: Simplify right side
    108,365.13x = 6,645,434,182.88
  5. Step 5: Solve for x
    x = 6,645,434,182.88/108,365.13
  6. Step 6: Final answer
    x = 61,324.47

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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.