Home / 186,103.79-256,740.86-114,441.47

Finding the Fourth Proportional to 186,103.79, 256,740.86 and 114,441.47

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Solution

The fourth proportional to 186,103.79, 256,740.86 and 114,441.47 is: 157,878.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,103.79 : 256,740.86 = 114,441.47 : x
  2. Step 2: Convert to fraction form
    186,103.79/256,740.86 = 114,441.47/x
  3. Step 3: Cross multiply
    186,103.79x = 256,740.86 × 114,441.47
  4. Step 4: Simplify right side
    186,103.79x = 29,381,800,429.86
  5. Step 5: Solve for x
    x = 29,381,800,429.86/186,103.79
  6. Step 6: Final answer
    x = 157,878.58

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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.