Home / 217,832.40-326,311.20-124,228.80

Finding the Fourth Proportional to 217,832.40, 326,311.20 and 124,228.80

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Solution

The fourth proportional to 217,832.40, 326,311.20 and 124,228.80 is: 186,093.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,832.40 : 326,311.20 = 124,228.80 : x
  2. Step 2: Convert to fraction form
    217,832.40/326,311.20 = 124,228.80/x
  3. Step 3: Cross multiply
    217,832.40x = 326,311.20 × 124,228.80
  4. Step 4: Simplify right side
    217,832.40x = 40,537,248,802.56
  5. Step 5: Solve for x
    x = 40,537,248,802.56/217,832.40
  6. Step 6: Final answer
    x = 186,093.75

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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.