Home / 130,913.76-196,468.56-50,964.36

Finding the Fourth Proportional to 130,913.76, 196,468.56 and 50,964.36

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Solution

The fourth proportional to 130,913.76, 196,468.56 and 50,964.36 is: 76,484.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,913.76 : 196,468.56 = 50,964.36 : x
  2. Step 2: Convert to fraction form
    130,913.76/196,468.56 = 50,964.36/x
  3. Step 3: Cross multiply
    130,913.76x = 196,468.56 × 50,964.36
  4. Step 4: Simplify right side
    130,913.76x = 10,012,894,420.52
  5. Step 5: Solve for x
    x = 10,012,894,420.52/130,913.76
  6. Step 6: Final answer
    x = 76,484.66

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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.