Home / 131,065.86-196,434.60-56,098.20

Finding the Fourth Proportional to 131,065.86, 196,434.60 and 56,098.20

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Solution

The fourth proportional to 131,065.86, 196,434.60 and 56,098.20 is: 84,077.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,065.86 : 196,434.60 = 56,098.20 : x
  2. Step 2: Convert to fraction form
    131,065.86/196,434.60 = 56,098.20/x
  3. Step 3: Cross multiply
    131,065.86x = 196,434.60 × 56,098.20
  4. Step 4: Simplify right side
    131,065.86x = 11,019,627,477.72
  5. Step 5: Solve for x
    x = 11,019,627,477.72/131,065.86
  6. Step 6: Final answer
    x = 84,077.02

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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.