Home / 186,121.67-279,070.02-83,520.27

Finding the Fourth Proportional to 186,121.67, 279,070.02 and 83,520.27

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Solution

The fourth proportional to 186,121.67, 279,070.02 and 83,520.27 is: 125,229.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,121.67 : 279,070.02 = 83,520.27 : x
  2. Step 2: Convert to fraction form
    186,121.67/279,070.02 = 83,520.27/x
  3. Step 3: Cross multiply
    186,121.67x = 279,070.02 × 83,520.27
  4. Step 4: Simplify right side
    186,121.67x = 23,308,003,419.31
  5. Step 5: Solve for x
    x = 23,308,003,419.31/186,121.67
  6. Step 6: Final answer
    x = 125,229.93

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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.