Home / 127,346.66-190,886.76-71,104.28

Finding the Fourth Proportional to 127,346.66, 190,886.76 and 71,104.28

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Solution

The fourth proportional to 127,346.66, 190,886.76 and 71,104.28 is: 106,582.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,346.66 : 190,886.76 = 71,104.28 : x
  2. Step 2: Convert to fraction form
    127,346.66/190,886.76 = 71,104.28/x
  3. Step 3: Cross multiply
    127,346.66x = 190,886.76 × 71,104.28
  4. Step 4: Simplify right side
    127,346.66x = 13,572,865,631.33
  5. Step 5: Solve for x
    x = 13,572,865,631.33/127,346.66
  6. Step 6: Final answer
    x = 106,582.03

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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.