Home / 129,351.50-194,152.38-93,365.06

Finding the Fourth Proportional to 129,351.50, 194,152.38 and 93,365.06

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Solution

The fourth proportional to 129,351.50, 194,152.38 and 93,365.06 is: 140,137.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,351.50 : 194,152.38 = 93,365.06 : x
  2. Step 2: Convert to fraction form
    129,351.50/194,152.38 = 93,365.06/x
  3. Step 3: Cross multiply
    129,351.50x = 194,152.38 × 93,365.06
  4. Step 4: Simplify right side
    129,351.50x = 18,127,047,637.08
  5. Step 5: Solve for x
    x = 18,127,047,637.08/129,351.50
  6. Step 6: Final answer
    x = 140,137.90

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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.