Home / 319,787.84-479,598.12-95,087.76

Finding the Fourth Proportional to 319,787.84, 479,598.12 and 95,087.76

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Solution

The fourth proportional to 319,787.84, 479,598.12 and 95,087.76 is: 142,606.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,787.84 : 479,598.12 = 95,087.76 : x
  2. Step 2: Convert to fraction form
    319,787.84/479,598.12 = 95,087.76/x
  3. Step 3: Cross multiply
    319,787.84x = 479,598.12 × 95,087.76
  4. Step 4: Simplify right side
    319,787.84x = 45,603,910,931.01
  5. Step 5: Solve for x
    x = 45,603,910,931.01/319,787.84
  6. Step 6: Final answer
    x = 142,606.77

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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.