Home / 127,900.22-176,446.26-121,971.02

Finding the Fourth Proportional to 127,900.22, 176,446.26 and 121,971.02

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Solution

The fourth proportional to 127,900.22, 176,446.26 and 121,971.02 is: 168,266.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,900.22 : 176,446.26 = 121,971.02 : x
  2. Step 2: Convert to fraction form
    127,900.22/176,446.26 = 121,971.02/x
  3. Step 3: Cross multiply
    127,900.22x = 176,446.26 × 121,971.02
  4. Step 4: Simplify right side
    127,900.22x = 21,521,330,307.39
  5. Step 5: Solve for x
    x = 21,521,330,307.39/127,900.22
  6. Step 6: Final answer
    x = 168,266.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.