Home / 302,029.31-453,046.65-91,667.21

Finding the Fourth Proportional to 302,029.31, 453,046.65 and 91,667.21

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Solution

The fourth proportional to 302,029.31, 453,046.65 and 91,667.21 is: 137,501.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,029.31 : 453,046.65 = 91,667.21 : x
  2. Step 2: Convert to fraction form
    302,029.31/453,046.65 = 91,667.21/x
  3. Step 3: Cross multiply
    302,029.31x = 453,046.65 × 91,667.21
  4. Step 4: Simplify right side
    302,029.31x = 41,529,522,405.35
  5. Step 5: Solve for x
    x = 41,529,522,405.35/302,029.31
  6. Step 6: Final answer
    x = 137,501.63

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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.