Home / 259,528.80-389,293.20-93,333.60

Finding the Fourth Proportional to 259,528.80, 389,293.20 and 93,333.60

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Solution

The fourth proportional to 259,528.80, 389,293.20 and 93,333.60 is: 140,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,528.80 : 389,293.20 = 93,333.60 : x
  2. Step 2: Convert to fraction form
    259,528.80/389,293.20 = 93,333.60/x
  3. Step 3: Cross multiply
    259,528.80x = 389,293.20 × 93,333.60
  4. Step 4: Simplify right side
    259,528.80x = 36,334,135,811.52
  5. Step 5: Solve for x
    x = 36,334,135,811.52/259,528.80
  6. Step 6: Final answer
    x = 140,000.40

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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.