Home / 133,056.10-199,292.55-70,653.70

Finding the Fourth Proportional to 133,056.10, 199,292.55 and 70,653.70

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Solution

The fourth proportional to 133,056.10, 199,292.55 and 70,653.70 is: 105,825.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,056.10 : 199,292.55 = 70,653.70 : x
  2. Step 2: Convert to fraction form
    133,056.10/199,292.55 = 70,653.70/x
  3. Step 3: Cross multiply
    133,056.10x = 199,292.55 × 70,653.70
  4. Step 4: Simplify right side
    133,056.10x = 14,080,756,039.94
  5. Step 5: Solve for x
    x = 14,080,756,039.94/133,056.10
  6. Step 6: Final answer
    x = 105,825.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.