Home / 131,115.60-196,673.40-56,271.60

Finding the Fourth Proportional to 131,115.60, 196,673.40 and 56,271.60

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Solution

The fourth proportional to 131,115.60, 196,673.40 and 56,271.60 is: 84,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,115.60 : 196,673.40 = 56,271.60 : x
  2. Step 2: Convert to fraction form
    131,115.60/196,673.40 = 56,271.60/x
  3. Step 3: Cross multiply
    131,115.60x = 196,673.40 × 56,271.60
  4. Step 4: Simplify right side
    131,115.60x = 11,067,126,895.44
  5. Step 5: Solve for x
    x = 11,067,126,895.44/131,115.60
  6. Step 6: Final answer
    x = 84,407.40

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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.