Home / 302,027.31-453,043.65-91,665.21

Finding the Fourth Proportional to 302,027.31, 453,043.65 and 91,665.21

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Solution

The fourth proportional to 302,027.31, 453,043.65 and 91,665.21 is: 137,498.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,027.31 : 453,043.65 = 91,665.21 : x
  2. Step 2: Convert to fraction form
    302,027.31/453,043.65 = 91,665.21/x
  3. Step 3: Cross multiply
    302,027.31x = 453,043.65 × 91,665.21
  4. Step 4: Simplify right side
    302,027.31x = 41,528,341,316.42
  5. Step 5: Solve for x
    x = 41,528,341,316.42/302,027.31
  6. Step 6: Final answer
    x = 137,498.63

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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.