Home / 209,633.10-289,334.70-133,241.22

Finding the Fourth Proportional to 209,633.10, 289,334.70 and 133,241.22

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Solution

The fourth proportional to 209,633.10, 289,334.70 and 133,241.22 is: 183,898.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,633.10 : 289,334.70 = 133,241.22 : x
  2. Step 2: Convert to fraction form
    209,633.10/289,334.70 = 133,241.22/x
  3. Step 3: Cross multiply
    209,633.10x = 289,334.70 × 133,241.22
  4. Step 4: Simplify right side
    209,633.10x = 38,551,308,416.33
  5. Step 5: Solve for x
    x = 38,551,308,416.33/209,633.10
  6. Step 6: Final answer
    x = 183,898.96

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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.