Home / 193,076.80-289,615.20-119,246.40

Finding the Fourth Proportional to 193,076.80, 289,615.20 and 119,246.40

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Solution

The fourth proportional to 193,076.80, 289,615.20 and 119,246.40 is: 178,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,076.80 : 289,615.20 = 119,246.40 : x
  2. Step 2: Convert to fraction form
    193,076.80/289,615.20 = 119,246.40/x
  3. Step 3: Cross multiply
    193,076.80x = 289,615.20 × 119,246.40
  4. Step 4: Simplify right side
    193,076.80x = 34,535,569,985.28
  5. Step 5: Solve for x
    x = 34,535,569,985.28/193,076.80
  6. Step 6: Final answer
    x = 178,869.60

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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.