Home / 130,926.69-196,390.20-42,193.41

Finding the Fourth Proportional to 130,926.69, 196,390.20 and 42,193.41

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Solution

The fourth proportional to 130,926.69, 196,390.20 and 42,193.41 is: 63,290.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,926.69 : 196,390.20 = 42,193.41 : x
  2. Step 2: Convert to fraction form
    130,926.69/196,390.20 = 42,193.41/x
  3. Step 3: Cross multiply
    130,926.69x = 196,390.20 × 42,193.41
  4. Step 4: Simplify right side
    130,926.69x = 8,286,372,228.58
  5. Step 5: Solve for x
    x = 8,286,372,228.58/130,926.69
  6. Step 6: Final answer
    x = 63,290.17

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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.