Home / 641,056.48-961,511.28-167,787.52

Finding the Fourth Proportional to 641,056.48, 961,511.28 and 167,787.52

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Solution

The fourth proportional to 641,056.48, 961,511.28 and 167,787.52 is: 251,662.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,056.48 : 961,511.28 = 167,787.52 : x
  2. Step 2: Convert to fraction form
    641,056.48/961,511.28 = 167,787.52/x
  3. Step 3: Cross multiply
    641,056.48x = 961,511.28 × 167,787.52
  4. Step 4: Simplify right side
    641,056.48x = 161,329,593,123.23
  5. Step 5: Solve for x
    x = 161,329,593,123.23/641,056.48
  6. Step 6: Final answer
    x = 251,662.06

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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.