Home / 163,076.20-244,614.30-78,876.70

Finding the Fourth Proportional to 163,076.20, 244,614.30 and 78,876.70

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Solution

The fourth proportional to 163,076.20, 244,614.30 and 78,876.70 is: 118,315.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,076.20 : 244,614.30 = 78,876.70 : x
  2. Step 2: Convert to fraction form
    163,076.20/244,614.30 = 78,876.70/x
  3. Step 3: Cross multiply
    163,076.20x = 244,614.30 × 78,876.70
  4. Step 4: Simplify right side
    163,076.20x = 19,294,368,756.81
  5. Step 5: Solve for x
    x = 19,294,368,756.81/163,076.20
  6. Step 6: Final answer
    x = 118,315.05

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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.