Home / 127,166.33-190,740.66-38,420.30

Finding the Fourth Proportional to 127,166.33, 190,740.66 and 38,420.30

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Solution

The fourth proportional to 127,166.33, 190,740.66 and 38,420.30 is: 57,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,166.33 : 190,740.66 = 38,420.30 : x
  2. Step 2: Convert to fraction form
    127,166.33/190,740.66 = 38,420.30/x
  3. Step 3: Cross multiply
    127,166.33x = 190,740.66 × 38,420.30
  4. Step 4: Simplify right side
    127,166.33x = 7,328,312,425.69
  5. Step 5: Solve for x
    x = 7,328,312,425.69/127,166.33
  6. Step 6: Final answer
    x = 57,627.78

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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.