Home / 134,401.16-185,411.54-80,592.86

Finding the Fourth Proportional to 134,401.16, 185,411.54 and 80,592.86

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Solution

The fourth proportional to 134,401.16, 185,411.54 and 80,592.86 is: 111,180.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,401.16 : 185,411.54 = 80,592.86 : x
  2. Step 2: Convert to fraction form
    134,401.16/185,411.54 = 80,592.86/x
  3. Step 3: Cross multiply
    134,401.16x = 185,411.54 × 80,592.86
  4. Step 4: Simplify right side
    134,401.16x = 14,942,845,560.03
  5. Step 5: Solve for x
    x = 14,942,845,560.03/134,401.16
  6. Step 6: Final answer
    x = 111,180.93

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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.