Home / 183,392.29-253,126.38-111,811.78

Finding the Fourth Proportional to 183,392.29, 253,126.38 and 111,811.78

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Solution

The fourth proportional to 183,392.29, 253,126.38 and 111,811.78 is: 154,327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,392.29 : 253,126.38 = 111,811.78 : x
  2. Step 2: Convert to fraction form
    183,392.29/253,126.38 = 111,811.78/x
  3. Step 3: Cross multiply
    183,392.29x = 253,126.38 × 111,811.78
  4. Step 4: Simplify right side
    183,392.29x = 28,302,511,112.76
  5. Step 5: Solve for x
    x = 28,302,511,112.76/183,392.29
  6. Step 6: Final answer
    x = 154,327.70

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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.