Home / 127,090.10-190,511.22-60,512.33

Finding the Fourth Proportional to 127,090.10, 190,511.22 and 60,512.33

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Solution

The fourth proportional to 127,090.10, 190,511.22 and 60,512.33 is: 90,709.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,090.10 : 190,511.22 = 60,512.33 : x
  2. Step 2: Convert to fraction form
    127,090.10/190,511.22 = 60,512.33/x
  3. Step 3: Cross multiply
    127,090.10x = 190,511.22 × 60,512.33
  4. Step 4: Simplify right side
    127,090.10x = 11,528,277,813.34
  5. Step 5: Solve for x
    x = 11,528,277,813.34/127,090.10
  6. Step 6: Final answer
    x = 90,709.49

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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.