Home / 236,766.70-326,745.08-129,338.52

Finding the Fourth Proportional to 236,766.70, 326,745.08 and 129,338.52

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Solution

The fourth proportional to 236,766.70, 326,745.08 and 129,338.52 is: 178,491.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,766.70 : 326,745.08 = 129,338.52 : x
  2. Step 2: Convert to fraction form
    236,766.70/326,745.08 = 129,338.52/x
  3. Step 3: Cross multiply
    236,766.70x = 326,745.08 × 129,338.52
  4. Step 4: Simplify right side
    236,766.70x = 42,260,725,064.48
  5. Step 5: Solve for x
    x = 42,260,725,064.48/236,766.70
  6. Step 6: Final answer
    x = 178,491.00

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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.