Home / 415,914.80-623,870.17-163,016.60

Finding the Fourth Proportional to 415,914.80, 623,870.17 and 163,016.60

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Solution

The fourth proportional to 415,914.80, 623,870.17 and 163,016.60 is: 244,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,914.80 : 623,870.17 = 163,016.60 : x
  2. Step 2: Convert to fraction form
    415,914.80/623,870.17 = 163,016.60/x
  3. Step 3: Cross multiply
    415,914.80x = 623,870.17 × 163,016.60
  4. Step 4: Simplify right side
    415,914.80x = 101,701,193,954.82
  5. Step 5: Solve for x
    x = 101,701,193,954.82/415,914.80
  6. Step 6: Final answer
    x = 244,524.10

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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.