Home / 386,352.27-579,522.21-105,869.52

Finding the Fourth Proportional to 386,352.27, 579,522.21 and 105,869.52

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Solution

The fourth proportional to 386,352.27, 579,522.21 and 105,869.52 is: 158,802.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,352.27 : 579,522.21 = 105,869.52 : x
  2. Step 2: Convert to fraction form
    386,352.27/579,522.21 = 105,869.52/x
  3. Step 3: Cross multiply
    386,352.27x = 579,522.21 × 105,869.52
  4. Step 4: Simplify right side
    386,352.27x = 61,353,738,202.04
  5. Step 5: Solve for x
    x = 61,353,738,202.04/386,352.27
  6. Step 6: Final answer
    x = 158,802.58

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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.