Home / 236,813.22-326,798.10-129,380.52

Finding the Fourth Proportional to 236,813.22, 326,798.10 and 129,380.52

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Solution

The fourth proportional to 236,813.22, 326,798.10 and 129,380.52 is: 178,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,813.22 : 326,798.10 = 129,380.52 : x
  2. Step 2: Convert to fraction form
    236,813.22/326,798.10 = 129,380.52/x
  3. Step 3: Cross multiply
    236,813.22x = 326,798.10 × 129,380.52
  4. Step 4: Simplify right side
    236,813.22x = 42,281,308,113.01
  5. Step 5: Solve for x
    x = 42,281,308,113.01/236,813.22
  6. Step 6: Final answer
    x = 178,542.85

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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.