Home / 283,142.60-424,787.40-105,650.94

Finding the Fourth Proportional to 283,142.60, 424,787.40 and 105,650.94

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Solution

The fourth proportional to 283,142.60, 424,787.40 and 105,650.94 is: 158,503.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,142.60 : 424,787.40 = 105,650.94 : x
  2. Step 2: Convert to fraction form
    283,142.60/424,787.40 = 105,650.94/x
  3. Step 3: Cross multiply
    283,142.60x = 424,787.40 × 105,650.94
  4. Step 4: Simplify right side
    283,142.60x = 44,879,187,581.90
  5. Step 5: Solve for x
    x = 44,879,187,581.90/283,142.60
  6. Step 6: Final answer
    x = 158,503.84

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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.