Home / 225,688.48-338,445.18-120,450.04

Finding the Fourth Proportional to 225,688.48, 338,445.18 and 120,450.04

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Solution

The fourth proportional to 225,688.48, 338,445.18 and 120,450.04 is: 180,628.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,688.48 : 338,445.18 = 120,450.04 : x
  2. Step 2: Convert to fraction form
    225,688.48/338,445.18 = 120,450.04/x
  3. Step 3: Cross multiply
    225,688.48x = 338,445.18 × 120,450.04
  4. Step 4: Simplify right side
    225,688.48x = 40,765,735,468.81
  5. Step 5: Solve for x
    x = 40,765,735,468.81/225,688.48
  6. Step 6: Final answer
    x = 180,628.34

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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.