Home / 276,975.35-415,466.42-99,482.28

Finding the Fourth Proportional to 276,975.35, 415,466.42 and 99,482.28

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Solution

The fourth proportional to 276,975.35, 415,466.42 and 99,482.28 is: 149,224.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,975.35 : 415,466.42 = 99,482.28 : x
  2. Step 2: Convert to fraction form
    276,975.35/415,466.42 = 99,482.28/x
  3. Step 3: Cross multiply
    276,975.35x = 415,466.42 × 99,482.28
  4. Step 4: Simplify right side
    276,975.35x = 41,331,544,669.63
  5. Step 5: Solve for x
    x = 41,331,544,669.63/276,975.35
  6. Step 6: Final answer
    x = 149,224.63

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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.