Home / 108,832.44-150,139.26-72,985.08

Finding the Fourth Proportional to 108,832.44, 150,139.26 and 72,985.08

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Solution

The fourth proportional to 108,832.44, 150,139.26 and 72,985.08 is: 100,686.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,832.44 : 150,139.26 = 72,985.08 : x
  2. Step 2: Convert to fraction form
    108,832.44/150,139.26 = 72,985.08/x
  3. Step 3: Cross multiply
    108,832.44x = 150,139.26 × 72,985.08
  4. Step 4: Simplify right side
    108,832.44x = 10,957,925,902.24
  5. Step 5: Solve for x
    x = 10,957,925,902.24/108,832.44
  6. Step 6: Final answer
    x = 100,686.21

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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.