Home / 120,886.93-181,257.08-46,012.15

Finding the Fourth Proportional to 120,886.93, 181,257.08 and 46,012.15

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Solution

The fourth proportional to 120,886.93, 181,257.08 and 46,012.15 is: 68,990.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,886.93 : 181,257.08 = 46,012.15 : x
  2. Step 2: Convert to fraction form
    120,886.93/181,257.08 = 46,012.15/x
  3. Step 3: Cross multiply
    120,886.93x = 181,257.08 × 46,012.15
  4. Step 4: Simplify right side
    120,886.93x = 8,340,027,047.24
  5. Step 5: Solve for x
    x = 8,340,027,047.24/120,886.93
  6. Step 6: Final answer
    x = 68,990.32

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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.