Home / 249,906.09-344,511.71-178,161.56

Finding the Fourth Proportional to 249,906.09, 344,511.71 and 178,161.56

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Solution

The fourth proportional to 249,906.09, 344,511.71 and 178,161.56 is: 245,607.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,906.09 : 344,511.71 = 178,161.56 : x
  2. Step 2: Convert to fraction form
    249,906.09/344,511.71 = 178,161.56/x
  3. Step 3: Cross multiply
    249,906.09x = 344,511.71 × 178,161.56
  4. Step 4: Simplify right side
    249,906.09x = 61,378,743,038.53
  5. Step 5: Solve for x
    x = 61,378,743,038.53/249,906.09
  6. Step 6: Final answer
    x = 245,607.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.