Home / 254,379.11-381,577.23-127,950.42

Finding the Fourth Proportional to 254,379.11, 381,577.23 and 127,950.42

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Solution

The fourth proportional to 254,379.11, 381,577.23 and 127,950.42 is: 191,929.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,379.11 : 381,577.23 = 127,950.42 : x
  2. Step 2: Convert to fraction form
    254,379.11/381,577.23 = 127,950.42/x
  3. Step 3: Cross multiply
    254,379.11x = 381,577.23 × 127,950.42
  4. Step 4: Simplify right side
    254,379.11x = 48,822,968,271.85
  5. Step 5: Solve for x
    x = 48,822,968,271.85/254,379.11
  6. Step 6: Final answer
    x = 191,929.94

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1.5x scale

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.