Home / 131,186.75-196,614.02-83,783.52

Finding the Fourth Proportional to 131,186.75, 196,614.02 and 83,783.52

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Solution

The fourth proportional to 131,186.75, 196,614.02 and 83,783.52 is: 125,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,186.75 : 196,614.02 = 83,783.52 : x
  2. Step 2: Convert to fraction form
    131,186.75/196,614.02 = 83,783.52/x
  3. Step 3: Cross multiply
    131,186.75x = 196,614.02 × 83,783.52
  4. Step 4: Simplify right side
    131,186.75x = 16,473,014,258.03
  5. Step 5: Solve for x
    x = 16,473,014,258.03/131,186.75
  6. Step 6: Final answer
    x = 125,569.20

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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.