Home / 286,511.31-429,176.34-167,822.82

Finding the Fourth Proportional to 286,511.31, 429,176.34 and 167,822.82

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Solution

The fourth proportional to 286,511.31, 429,176.34 and 167,822.82 is: 251,388.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,511.31 : 429,176.34 = 167,822.82 : x
  2. Step 2: Convert to fraction form
    286,511.31/429,176.34 = 167,822.82/x
  3. Step 3: Cross multiply
    286,511.31x = 429,176.34 × 167,822.82
  4. Step 4: Simplify right side
    286,511.31x = 72,025,583,656.08
  5. Step 5: Solve for x
    x = 72,025,583,656.08/286,511.31
  6. Step 6: Final answer
    x = 251,388.27

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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.