Home / 134,648.35-185,806.27-74,215.67

Finding the Fourth Proportional to 134,648.35, 185,806.27 and 74,215.67

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Solution

The fourth proportional to 134,648.35, 185,806.27 and 74,215.67 is: 102,412.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,648.35 : 185,806.27 = 74,215.67 : x
  2. Step 2: Convert to fraction form
    134,648.35/185,806.27 = 74,215.67/x
  3. Step 3: Cross multiply
    134,648.35x = 185,806.27 × 74,215.67
  4. Step 4: Simplify right side
    134,648.35x = 13,789,735,703.68
  5. Step 5: Solve for x
    x = 13,789,735,703.68/134,648.35
  6. Step 6: Final answer
    x = 102,412.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.