Home / 269,577.20-404,365.80-129,263.60

Finding the Fourth Proportional to 269,577.20, 404,365.80 and 129,263.60

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Solution

The fourth proportional to 269,577.20, 404,365.80 and 129,263.60 is: 193,895.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,577.20 : 404,365.80 = 129,263.60 : x
  2. Step 2: Convert to fraction form
    269,577.20/404,365.80 = 129,263.60/x
  3. Step 3: Cross multiply
    269,577.20x = 404,365.80 × 129,263.60
  4. Step 4: Simplify right side
    269,577.20x = 52,269,779,024.88
  5. Step 5: Solve for x
    x = 52,269,779,024.88/269,577.20
  6. Step 6: Final answer
    x = 193,895.40

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1.5x scale

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.