Home / 134,078.34-201,191.39-81,524.73

Finding the Fourth Proportional to 134,078.34, 201,191.39 and 81,524.73

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Solution

The fourth proportional to 134,078.34, 201,191.39 and 81,524.73 is: 122,332.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,078.34 : 201,191.39 = 81,524.73 : x
  2. Step 2: Convert to fraction form
    134,078.34/201,191.39 = 81,524.73/x
  3. Step 3: Cross multiply
    134,078.34x = 201,191.39 × 81,524.73
  4. Step 4: Simplify right side
    134,078.34x = 16,402,073,748.07
  5. Step 5: Solve for x
    x = 16,402,073,748.07/134,078.34
  6. Step 6: Final answer
    x = 122,332.02

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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.