Home / 456,231.40-684,282.30-156,725.80

Finding the Fourth Proportional to 456,231.40, 684,282.30 and 156,725.80

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Solution

The fourth proportional to 456,231.40, 684,282.30 and 156,725.80 is: 235,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,231.40 : 684,282.30 = 156,725.80 : x
  2. Step 2: Convert to fraction form
    456,231.40/684,282.30 = 156,725.80/x
  3. Step 3: Cross multiply
    456,231.40x = 684,282.30 × 156,725.80
  4. Step 4: Simplify right side
    456,231.40x = 107,244,690,893.34
  5. Step 5: Solve for x
    x = 107,244,690,893.34/456,231.40
  6. Step 6: Final answer
    x = 235,066.44

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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.