Home / 120,895.40-181,278.30-50,695.40

Finding the Fourth Proportional to 120,895.40, 181,278.30 and 50,695.40

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Solution

The fourth proportional to 120,895.40, 181,278.30 and 50,695.40 is: 76,015.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,895.40 : 181,278.30 = 50,695.40 : x
  2. Step 2: Convert to fraction form
    120,895.40/181,278.30 = 50,695.40/x
  3. Step 3: Cross multiply
    120,895.40x = 181,278.30 × 50,695.40
  4. Step 4: Simplify right side
    120,895.40x = 9,189,975,929.82
  5. Step 5: Solve for x
    x = 9,189,975,929.82/120,895.40
  6. Step 6: Final answer
    x = 76,015.93

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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.