Home / 186,205.86-256,982.94-109,749.56

Finding the Fourth Proportional to 186,205.86, 256,982.94 and 109,749.56

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Solution

The fourth proportional to 186,205.86, 256,982.94 and 109,749.56 is: 151,465.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,205.86 : 256,982.94 = 109,749.56 : x
  2. Step 2: Convert to fraction form
    186,205.86/256,982.94 = 109,749.56/x
  3. Step 3: Cross multiply
    186,205.86x = 256,982.94 × 109,749.56
  4. Step 4: Simplify right side
    186,205.86x = 28,203,763,307.59
  5. Step 5: Solve for x
    x = 28,203,763,307.59/186,205.86
  6. Step 6: Final answer
    x = 151,465.50

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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.