Home / 352,450.09-486,368.04-191,301.67

Finding the Fourth Proportional to 352,450.09, 486,368.04 and 191,301.67

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Solution

The fourth proportional to 352,450.09, 486,368.04 and 191,301.67 is: 263,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,450.09 : 486,368.04 = 191,301.67 : x
  2. Step 2: Convert to fraction form
    352,450.09/486,368.04 = 191,301.67/x
  3. Step 3: Cross multiply
    352,450.09x = 486,368.04 × 191,301.67
  4. Step 4: Simplify right side
    352,450.09x = 93,043,018,286.63
  5. Step 5: Solve for x
    x = 93,043,018,286.63/352,450.09
  6. Step 6: Final answer
    x = 263,989.20

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1.5x scale

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.