Home / 286,547.78-395,418.57-159,219.02

Finding the Fourth Proportional to 286,547.78, 395,418.57 and 159,219.02

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Solution

The fourth proportional to 286,547.78, 395,418.57 and 159,219.02 is: 219,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,547.78 : 395,418.57 = 159,219.02 : x
  2. Step 2: Convert to fraction form
    286,547.78/395,418.57 = 159,219.02/x
  3. Step 3: Cross multiply
    286,547.78x = 395,418.57 × 159,219.02
  4. Step 4: Simplify right side
    286,547.78x = 62,958,157,205.20
  5. Step 5: Solve for x
    x = 62,958,157,205.20/286,547.78
  6. Step 6: Final answer
    x = 219,712.60

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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.