Home / 127,056.39-190,553.76-42,794.79

Finding the Fourth Proportional to 127,056.39, 190,553.76 and 42,794.79

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Solution

The fourth proportional to 127,056.39, 190,553.76 and 42,794.79 is: 64,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,056.39 : 190,553.76 = 42,794.79 : x
  2. Step 2: Convert to fraction form
    127,056.39/190,553.76 = 42,794.79/x
  3. Step 3: Cross multiply
    127,056.39x = 190,553.76 × 42,794.79
  4. Step 4: Simplify right side
    127,056.39x = 8,154,708,142.91
  5. Step 5: Solve for x
    x = 8,154,708,142.91/127,056.39
  6. Step 6: Final answer
    x = 64,181.80

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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.