Home / 129,430.35-194,116.26-50,503.95

Finding the Fourth Proportional to 129,430.35, 194,116.26 and 50,503.95

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Solution

The fourth proportional to 129,430.35, 194,116.26 and 50,503.95 is: 75,744.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,430.35 : 194,116.26 = 50,503.95 : x
  2. Step 2: Convert to fraction form
    129,430.35/194,116.26 = 50,503.95/x
  3. Step 3: Cross multiply
    129,430.35x = 194,116.26 × 50,503.95
  4. Step 4: Simplify right side
    129,430.35x = 9,803,637,889.23
  5. Step 5: Solve for x
    x = 9,803,637,889.23/129,430.35
  6. Step 6: Final answer
    x = 75,744.51

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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.