Home / 131,208.06-196,818.28-42,468.50

Finding the Fourth Proportional to 131,208.06, 196,818.28 and 42,468.50

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Solution

The fourth proportional to 131,208.06, 196,818.28 and 42,468.50 is: 63,704.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,208.06 : 196,818.28 = 42,468.50 : x
  2. Step 2: Convert to fraction form
    131,208.06/196,818.28 = 42,468.50/x
  3. Step 3: Cross multiply
    131,208.06x = 196,818.28 × 42,468.50
  4. Step 4: Simplify right side
    131,208.06x = 8,358,577,124.18
  5. Step 5: Solve for x
    x = 8,358,577,124.18/131,208.06
  6. Step 6: Final answer
    x = 63,704.75

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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.