Home / 215,895.07-323,682.65-103,468.22

Finding the Fourth Proportional to 215,895.07, 323,682.65 and 103,468.22

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Solution

The fourth proportional to 215,895.07, 323,682.65 and 103,468.22 is: 155,125.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,895.07 : 323,682.65 = 103,468.22 : x
  2. Step 2: Convert to fraction form
    215,895.07/323,682.65 = 103,468.22/x
  3. Step 3: Cross multiply
    215,895.07x = 323,682.65 × 103,468.22
  4. Step 4: Simplify right side
    215,895.07x = 33,490,867,106.44
  5. Step 5: Solve for x
    x = 33,490,867,106.44/215,895.07
  6. Step 6: Final answer
    x = 155,125.67

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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.