Home / 127,968.05-191,988.96-39,234.64

Finding the Fourth Proportional to 127,968.05, 191,988.96 and 39,234.64

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Solution

The fourth proportional to 127,968.05, 191,988.96 and 39,234.64 is: 58,863.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,968.05 : 191,988.96 = 39,234.64 : x
  2. Step 2: Convert to fraction form
    127,968.05/191,988.96 = 39,234.64/x
  3. Step 3: Cross multiply
    127,968.05x = 191,988.96 × 39,234.64
  4. Step 4: Simplify right side
    127,968.05x = 7,532,616,573.46
  5. Step 5: Solve for x
    x = 7,532,616,573.46/127,968.05
  6. Step 6: Final answer
    x = 58,863.26

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1.5x scale

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.