Home / 133,835.04-200,794.14-80,585.64

Finding the Fourth Proportional to 133,835.04, 200,794.14 and 80,585.64

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Solution

The fourth proportional to 133,835.04, 200,794.14 and 80,585.64 is: 120,903.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,835.04 : 200,794.14 = 80,585.64 : x
  2. Step 2: Convert to fraction form
    133,835.04/200,794.14 = 80,585.64/x
  3. Step 3: Cross multiply
    133,835.04x = 200,794.14 × 80,585.64
  4. Step 4: Simplify right side
    133,835.04x = 16,181,124,280.15
  5. Step 5: Solve for x
    x = 16,181,124,280.15/133,835.04
  6. Step 6: Final answer
    x = 120,903.50

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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.