Home / 318,922.16-440,098.44-182,858.72

Finding the Fourth Proportional to 318,922.16, 440,098.44 and 182,858.72

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Solution

The fourth proportional to 318,922.16, 440,098.44 and 182,858.72 is: 252,336.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,922.16 : 440,098.44 = 182,858.72 : x
  2. Step 2: Convert to fraction form
    318,922.16/440,098.44 = 182,858.72/x
  3. Step 3: Cross multiply
    318,922.16x = 440,098.44 × 182,858.72
  4. Step 4: Simplify right side
    318,922.16x = 80,475,837,412.40
  5. Step 5: Solve for x
    x = 80,475,837,412.40/318,922.16
  6. Step 6: Final answer
    x = 252,336.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.