Home / 302,339.10-453,351.78-89,079.33

Finding the Fourth Proportional to 302,339.10, 453,351.78 and 89,079.33

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Solution

The fourth proportional to 302,339.10, 453,351.78 and 89,079.33 is: 133,572.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,339.10 : 453,351.78 = 89,079.33 : x
  2. Step 2: Convert to fraction form
    302,339.10/453,351.78 = 89,079.33/x
  3. Step 3: Cross multiply
    302,339.10x = 453,351.78 × 89,079.33
  4. Step 4: Simplify right side
    302,339.10x = 40,384,272,816.71
  5. Step 5: Solve for x
    x = 40,384,272,816.71/302,339.10
  6. Step 6: Final answer
    x = 133,572.78

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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.