Home / 326,165.04-489,243.24-89,507.52

Finding the Fourth Proportional to 326,165.04, 489,243.24 and 89,507.52

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Solution

The fourth proportional to 326,165.04, 489,243.24 and 89,507.52 is: 134,260.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,165.04 : 489,243.24 = 89,507.52 : x
  2. Step 2: Convert to fraction form
    326,165.04/489,243.24 = 89,507.52/x
  3. Step 3: Cross multiply
    326,165.04x = 489,243.24 × 89,507.52
  4. Step 4: Simplify right side
    326,165.04x = 43,790,949,089.16
  5. Step 5: Solve for x
    x = 43,790,949,089.16/326,165.04
  6. Step 6: Final answer
    x = 134,260.09

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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.