Home / 217,823.40-326,744.70-123,052.20

Finding the Fourth Proportional to 217,823.40, 326,744.70 and 123,052.20

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Solution

The fourth proportional to 217,823.40, 326,744.70 and 123,052.20 is: 184,583.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,823.40 : 326,744.70 = 123,052.20 : x
  2. Step 2: Convert to fraction form
    217,823.40/326,744.70 = 123,052.20/x
  3. Step 3: Cross multiply
    217,823.40x = 326,744.70 × 123,052.20
  4. Step 4: Simplify right side
    217,823.40x = 40,206,654,173.34
  5. Step 5: Solve for x
    x = 40,206,654,173.34/217,823.40
  6. Step 6: Final answer
    x = 184,583.72

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1.5x scale

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.