Home / 131,812.02-197,749.35-43,065.45

Finding the Fourth Proportional to 131,812.02, 197,749.35 and 43,065.45

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Solution

The fourth proportional to 131,812.02, 197,749.35 and 43,065.45 is: 64,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,812.02 : 197,749.35 = 43,065.45 : x
  2. Step 2: Convert to fraction form
    131,812.02/197,749.35 = 43,065.45/x
  3. Step 3: Cross multiply
    131,812.02x = 197,749.35 × 43,065.45
  4. Step 4: Simplify right side
    131,812.02x = 8,516,164,744.96
  5. Step 5: Solve for x
    x = 8,516,164,744.96/131,812.02
  6. Step 6: Final answer
    x = 64,608.41

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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.