Home / 155,426.58-232,834.79-80,595.64

Finding the Fourth Proportional to 155,426.58, 232,834.79 and 80,595.64

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Solution

The fourth proportional to 155,426.58, 232,834.79 and 80,595.64 is: 120,735.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,426.58 : 232,834.79 = 80,595.64 : x
  2. Step 2: Convert to fraction form
    155,426.58/232,834.79 = 80,595.64/x
  3. Step 3: Cross multiply
    155,426.58x = 232,834.79 × 80,595.64
  4. Step 4: Simplify right side
    155,426.58x = 18,765,468,953.50
  5. Step 5: Solve for x
    x = 18,765,468,953.50/155,426.58
  6. Step 6: Final answer
    x = 120,735.26

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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.