Home / 131,187.60-196,684.20-56,246.40

Finding the Fourth Proportional to 131,187.60, 196,684.20 and 56,246.40

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Solution

The fourth proportional to 131,187.60, 196,684.20 and 56,246.40 is: 84,327.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,187.60 : 196,684.20 = 56,246.40 : x
  2. Step 2: Convert to fraction form
    131,187.60/196,684.20 = 56,246.40/x
  3. Step 3: Cross multiply
    131,187.60x = 196,684.20 × 56,246.40
  4. Step 4: Simplify right side
    131,187.60x = 11,062,778,186.88
  5. Step 5: Solve for x
    x = 11,062,778,186.88/131,187.60
  6. Step 6: Final answer
    x = 84,327.93

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1.5x scale

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.