Home / 102,860.27-154,302.75-36,286.67

Finding the Fourth Proportional to 102,860.27, 154,302.75 and 36,286.67

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Solution

The fourth proportional to 102,860.27, 154,302.75 and 36,286.67 is: 54,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,860.27 : 154,302.75 = 36,286.67 : x
  2. Step 2: Convert to fraction form
    102,860.27/154,302.75 = 36,286.67/x
  3. Step 3: Cross multiply
    102,860.27x = 154,302.75 × 36,286.67
  4. Step 4: Simplify right side
    102,860.27x = 5,599,132,969.34
  5. Step 5: Solve for x
    x = 5,599,132,969.34/102,860.27
  6. Step 6: Final answer
    x = 54,434.36

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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.