Home / 124,180.54-186,307.11-39,938.82

Finding the Fourth Proportional to 124,180.54, 186,307.11 and 39,938.82

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Solution

The fourth proportional to 124,180.54, 186,307.11 and 39,938.82 is: 59,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,180.54 : 186,307.11 = 39,938.82 : x
  2. Step 2: Convert to fraction form
    124,180.54/186,307.11 = 39,938.82/x
  3. Step 3: Cross multiply
    124,180.54x = 186,307.11 × 39,938.82
  4. Step 4: Simplify right side
    124,180.54x = 7,440,884,999.78
  5. Step 5: Solve for x
    x = 7,440,884,999.78/124,180.54
  6. Step 6: Final answer
    x = 59,919.90

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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.