Home / 131,742.08-197,471.52-56,897.60

Finding the Fourth Proportional to 131,742.08, 197,471.52 and 56,897.60

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Solution

The fourth proportional to 131,742.08, 197,471.52 and 56,897.60 is: 85,285.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,742.08 : 197,471.52 = 56,897.60 : x
  2. Step 2: Convert to fraction form
    131,742.08/197,471.52 = 56,897.60/x
  3. Step 3: Cross multiply
    131,742.08x = 197,471.52 × 56,897.60
  4. Step 4: Simplify right side
    131,742.08x = 11,235,655,556.35
  5. Step 5: Solve for x
    x = 11,235,655,556.35/131,742.08
  6. Step 6: Final answer
    x = 85,285.24

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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.