Home / 206,962.56-310,147.20-118,032

Finding the Fourth Proportional to 206,962.56, 310,147.20 and 118,032

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Solution

The fourth proportional to 206,962.56, 310,147.20 and 118,032 is: 176,878.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,962.56 : 310,147.20 = 118,032 : x
  2. Step 2: Convert to fraction form
    206,962.56/310,147.20 = 118,032/x
  3. Step 3: Cross multiply
    206,962.56x = 310,147.20 × 118,032
  4. Step 4: Simplify right side
    206,962.56x = 36,607,294,310.40
  5. Step 5: Solve for x
    x = 36,607,294,310.40/206,962.56
  6. Step 6: Final answer
    x = 176,878.82

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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.