Home / 165,787.18-248,607.69-47,431.60

Finding the Fourth Proportional to 165,787.18, 248,607.69 and 47,431.60

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Solution

The fourth proportional to 165,787.18, 248,607.69 and 47,431.60 is: 71,126.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,787.18 : 248,607.69 = 47,431.60 : x
  2. Step 2: Convert to fraction form
    165,787.18/248,607.69 = 47,431.60/x
  3. Step 3: Cross multiply
    165,787.18x = 248,607.69 × 47,431.60
  4. Step 4: Simplify right side
    165,787.18x = 11,791,860,509.00
  5. Step 5: Solve for x
    x = 11,791,860,509.00/165,787.18
  6. Step 6: Final answer
    x = 71,126.49

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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.