Home / 148,824.28-205,431.42-98,539.48

Finding the Fourth Proportional to 148,824.28, 205,431.42 and 98,539.48

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Solution

The fourth proportional to 148,824.28, 205,431.42 and 98,539.48 is: 136,020.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,824.28 : 205,431.42 = 98,539.48 : x
  2. Step 2: Convert to fraction form
    148,824.28/205,431.42 = 98,539.48/x
  3. Step 3: Cross multiply
    148,824.28x = 205,431.42 × 98,539.48
  4. Step 4: Simplify right side
    148,824.28x = 20,243,105,302.46
  5. Step 5: Solve for x
    x = 20,243,105,302.46/148,824.28
  6. Step 6: Final answer
    x = 136,020.18

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Why These Related Problems?

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