Home / 212,343.76-318,464.61-62,543.58

Finding the Fourth Proportional to 212,343.76, 318,464.61 and 62,543.58

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Solution

The fourth proportional to 212,343.76, 318,464.61 and 62,543.58 is: 93,800.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,343.76 : 318,464.61 = 62,543.58 : x
  2. Step 2: Convert to fraction form
    212,343.76/318,464.61 = 62,543.58/x
  3. Step 3: Cross multiply
    212,343.76x = 318,464.61 × 62,543.58
  4. Step 4: Simplify right side
    212,343.76x = 19,917,916,812.70
  5. Step 5: Solve for x
    x = 19,917,916,812.70/212,343.76
  6. Step 6: Final answer
    x = 93,800.34

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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.