Home / 124,128.01-171,309.26-73,157.15

Finding the Fourth Proportional to 124,128.01, 171,309.26 and 73,157.15

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Solution

The fourth proportional to 124,128.01, 171,309.26 and 73,157.15 is: 100,964.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,128.01 : 171,309.26 = 73,157.15 : x
  2. Step 2: Convert to fraction form
    124,128.01/171,309.26 = 73,157.15/x
  3. Step 3: Cross multiply
    124,128.01x = 171,309.26 × 73,157.15
  4. Step 4: Simplify right side
    124,128.01x = 12,532,496,436.15
  5. Step 5: Solve for x
    x = 12,532,496,436.15/124,128.01
  6. Step 6: Final answer
    x = 100,964.29

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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.