Home / 277,432.87-382,858.68-156,579.25

Finding the Fourth Proportional to 277,432.87, 382,858.68 and 156,579.25

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Solution

The fourth proportional to 277,432.87, 382,858.68 and 156,579.25 is: 216,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,432.87 : 382,858.68 = 156,579.25 : x
  2. Step 2: Convert to fraction form
    277,432.87/382,858.68 = 156,579.25/x
  3. Step 3: Cross multiply
    277,432.87x = 382,858.68 × 156,579.25
  4. Step 4: Simplify right side
    277,432.87x = 59,947,724,970.39
  5. Step 5: Solve for x
    x = 59,947,724,970.39/277,432.87
  6. Step 6: Final answer
    x = 216,080.11

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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.