Home / 130,713.62-196,041.27-51,806.66

Finding the Fourth Proportional to 130,713.62, 196,041.27 and 51,806.66

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Solution

The fourth proportional to 130,713.62, 196,041.27 and 51,806.66 is: 77,698.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,713.62 : 196,041.27 = 51,806.66 : x
  2. Step 2: Convert to fraction form
    130,713.62/196,041.27 = 51,806.66/x
  3. Step 3: Cross multiply
    130,713.62x = 196,041.27 × 51,806.66
  4. Step 4: Simplify right side
    130,713.62x = 10,156,243,420.86
  5. Step 5: Solve for x
    x = 10,156,243,420.86/130,713.62
  6. Step 6: Final answer
    x = 77,698.43

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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.