Home / 134,087.84-185,035.24-80,402.48

Finding the Fourth Proportional to 134,087.84, 185,035.24 and 80,402.48

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Solution

The fourth proportional to 134,087.84, 185,035.24 and 80,402.48 is: 110,951.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,087.84 : 185,035.24 = 80,402.48 : x
  2. Step 2: Convert to fraction form
    134,087.84/185,035.24 = 80,402.48/x
  3. Step 3: Cross multiply
    134,087.84x = 185,035.24 × 80,402.48
  4. Step 4: Simplify right side
    134,087.84x = 14,877,292,183.40
  5. Step 5: Solve for x
    x = 14,877,292,183.40/134,087.84
  6. Step 6: Final answer
    x = 110,951.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.