Home / 131,406.35-197,109.53-130,023.95

Finding the Fourth Proportional to 131,406.35, 197,109.53 and 130,023.95

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Solution

The fourth proportional to 131,406.35, 197,109.53 and 130,023.95 is: 195,035.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,406.35 : 197,109.53 = 130,023.95 : x
  2. Step 2: Convert to fraction form
    131,406.35/197,109.53 = 130,023.95/x
  3. Step 3: Cross multiply
    131,406.35x = 197,109.53 × 130,023.95
  4. Step 4: Simplify right side
    131,406.35x = 25,628,959,023.12
  5. Step 5: Solve for x
    x = 25,628,959,023.12/131,406.35
  6. Step 6: Final answer
    x = 195,035.93

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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.