Home / 183,416.20-253,109.10-111,770.08

Finding the Fourth Proportional to 183,416.20, 253,109.10 and 111,770.08

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Solution

The fourth proportional to 183,416.20, 253,109.10 and 111,770.08 is: 154,239.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,416.20 : 253,109.10 = 111,770.08 : x
  2. Step 2: Convert to fraction form
    183,416.20/253,109.10 = 111,770.08/x
  3. Step 3: Cross multiply
    183,416.20x = 253,109.10 × 111,770.08
  4. Step 4: Simplify right side
    183,416.20x = 28,290,024,142.09
  5. Step 5: Solve for x
    x = 28,290,024,142.09/183,416.20
  6. Step 6: Final answer
    x = 154,239.51

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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.