Home / 283,020.76-424,444.73-80,633.39

Finding the Fourth Proportional to 283,020.76, 424,444.73 and 80,633.39

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Solution

The fourth proportional to 283,020.76, 424,444.73 and 80,633.39 is: 120,925.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,020.76 : 424,444.73 = 80,633.39 : x
  2. Step 2: Convert to fraction form
    283,020.76/424,444.73 = 80,633.39/x
  3. Step 3: Cross multiply
    283,020.76x = 424,444.73 × 80,633.39
  4. Step 4: Simplify right side
    283,020.76x = 34,224,417,447.53
  5. Step 5: Solve for x
    x = 34,224,417,447.53/283,020.76
  6. Step 6: Final answer
    x = 120,925.47

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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.