Home / 257,594.04-386,438.58-80,089.56

Finding the Fourth Proportional to 257,594.04, 386,438.58 and 80,089.56

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Solution

The fourth proportional to 257,594.04, 386,438.58 and 80,089.56 is: 120,149.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,594.04 : 386,438.58 = 80,089.56 : x
  2. Step 2: Convert to fraction form
    257,594.04/386,438.58 = 80,089.56/x
  3. Step 3: Cross multiply
    257,594.04x = 386,438.58 × 80,089.56
  4. Step 4: Simplify right side
    257,594.04x = 30,949,695,839.22
  5. Step 5: Solve for x
    x = 30,949,695,839.22/257,594.04
  6. Step 6: Final answer
    x = 120,149.11

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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.