Home / 276,725.58-415,146.69-89,722.50

Finding the Fourth Proportional to 276,725.58, 415,146.69 and 89,722.50

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Solution

The fourth proportional to 276,725.58, 415,146.69 and 89,722.50 is: 134,602.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,725.58 : 415,146.69 = 89,722.50 : x
  2. Step 2: Convert to fraction form
    276,725.58/415,146.69 = 89,722.50/x
  3. Step 3: Cross multiply
    276,725.58x = 415,146.69 × 89,722.50
  4. Step 4: Simplify right side
    276,725.58x = 37,247,998,893.53
  5. Step 5: Solve for x
    x = 37,247,998,893.53/276,725.58
  6. Step 6: Final answer
    x = 134,602.66

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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.