Home / 462,099.14-693,214.83-142,278.06

Finding the Fourth Proportional to 462,099.14, 693,214.83 and 142,278.06

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Solution

The fourth proportional to 462,099.14, 693,214.83 and 142,278.06 is: 213,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,099.14 : 693,214.83 = 142,278.06 : x
  2. Step 2: Convert to fraction form
    462,099.14/693,214.83 = 142,278.06/x
  3. Step 3: Cross multiply
    462,099.14x = 693,214.83 × 142,278.06
  4. Step 4: Simplify right side
    462,099.14x = 98,629,261,175.63
  5. Step 5: Solve for x
    x = 98,629,261,175.63/462,099.14
  6. Step 6: Final answer
    x = 213,437.45

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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.