Home / 198,459.36-273,875.84-107,816.04

Finding the Fourth Proportional to 198,459.36, 273,875.84 and 107,816.04

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Solution

The fourth proportional to 198,459.36, 273,875.84 and 107,816.04 is: 148,787.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,459.36 : 273,875.84 = 107,816.04 : x
  2. Step 2: Convert to fraction form
    198,459.36/273,875.84 = 107,816.04/x
  3. Step 3: Cross multiply
    198,459.36x = 273,875.84 × 107,816.04
  4. Step 4: Simplify right side
    198,459.36x = 29,528,208,520.47
  5. Step 5: Solve for x
    x = 29,528,208,520.47/198,459.36
  6. Step 6: Final answer
    x = 148,787.18

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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.