Home / 189,627.86-261,680.52-103,585.46

Finding the Fourth Proportional to 189,627.86, 261,680.52 and 103,585.46

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Solution

The fourth proportional to 189,627.86, 261,680.52 and 103,585.46 is: 142,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,627.86 : 261,680.52 = 103,585.46 : x
  2. Step 2: Convert to fraction form
    189,627.86/261,680.52 = 103,585.46/x
  3. Step 3: Cross multiply
    189,627.86x = 261,680.52 × 103,585.46
  4. Step 4: Simplify right side
    189,627.86x = 27,106,297,037.24
  5. Step 5: Solve for x
    x = 27,106,297,037.24/189,627.86
  6. Step 6: Final answer
    x = 142,944.70

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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.