Home / 338,264.60-466,628.15-209,161.80

Finding the Fourth Proportional to 338,264.60, 466,628.15 and 209,161.80

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Solution

The fourth proportional to 338,264.60, 466,628.15 and 209,161.80 is: 288,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,264.60 : 466,628.15 = 209,161.80 : x
  2. Step 2: Convert to fraction form
    338,264.60/466,628.15 = 209,161.80/x
  3. Step 3: Cross multiply
    338,264.60x = 466,628.15 × 209,161.80
  4. Step 4: Simplify right side
    338,264.60x = 97,600,782,738.86
  5. Step 5: Solve for x
    x = 97,600,782,738.86/338,264.60
  6. Step 6: Final answer
    x = 288,533.84

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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.