Home / 251,249.77-346,779.38-154,536.76

Finding the Fourth Proportional to 251,249.77, 346,779.38 and 154,536.76

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Solution

The fourth proportional to 251,249.77, 346,779.38 and 154,536.76 is: 213,294.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,249.77 : 346,779.38 = 154,536.76 : x
  2. Step 2: Convert to fraction form
    251,249.77/346,779.38 = 154,536.76/x
  3. Step 3: Cross multiply
    251,249.77x = 346,779.38 × 154,536.76
  4. Step 4: Simplify right side
    251,249.77x = 53,590,161,770.56
  5. Step 5: Solve for x
    x = 53,590,161,770.56/251,249.77
  6. Step 6: Final answer
    x = 213,294.37

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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.