Home / 124,912.02-172,374.20-71,214.32

Finding the Fourth Proportional to 124,912.02, 172,374.20 and 71,214.32

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Solution

The fourth proportional to 124,912.02, 172,374.20 and 71,214.32 is: 98,273.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,912.02 : 172,374.20 = 71,214.32 : x
  2. Step 2: Convert to fraction form
    124,912.02/172,374.20 = 71,214.32/x
  3. Step 3: Cross multiply
    124,912.02x = 172,374.20 × 71,214.32
  4. Step 4: Simplify right side
    124,912.02x = 12,275,511,438.54
  5. Step 5: Solve for x
    x = 12,275,511,438.54/124,912.02
  6. Step 6: Final answer
    x = 98,273.26

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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.