Home / 283,215.12-424,896.48-105,723.60

Finding the Fourth Proportional to 283,215.12, 424,896.48 and 105,723.60

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Solution

The fourth proportional to 283,215.12, 424,896.48 and 105,723.60 is: 158,612.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,215.12 : 424,896.48 = 105,723.60 : x
  2. Step 2: Convert to fraction form
    283,215.12/424,896.48 = 105,723.60/x
  3. Step 3: Cross multiply
    283,215.12x = 424,896.48 × 105,723.60
  4. Step 4: Simplify right side
    283,215.12x = 44,921,585,492.93
  5. Step 5: Solve for x
    x = 44,921,585,492.93/283,215.12
  6. Step 6: Final answer
    x = 158,612.95

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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.