Home / 191,054.40-263,573.28-119,309.88

Finding the Fourth Proportional to 191,054.40, 263,573.28 and 119,309.88

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Solution

The fourth proportional to 191,054.40, 263,573.28 and 119,309.88 is: 164,596.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,054.40 : 263,573.28 = 119,309.88 : x
  2. Step 2: Convert to fraction form
    191,054.40/263,573.28 = 119,309.88/x
  3. Step 3: Cross multiply
    191,054.40x = 263,573.28 × 119,309.88
  4. Step 4: Simplify right side
    191,054.40x = 31,446,896,408.01
  5. Step 5: Solve for x
    x = 31,446,896,408.01/191,054.40
  6. Step 6: Final answer
    x = 164,596.56

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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.