Home / 175,896.12-242,761.14-130,712.70

Finding the Fourth Proportional to 175,896.12, 242,761.14 and 130,712.70

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Solution

The fourth proportional to 175,896.12, 242,761.14 and 130,712.70 is: 180,401.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,896.12 : 242,761.14 = 130,712.70 : x
  2. Step 2: Convert to fraction form
    175,896.12/242,761.14 = 130,712.70/x
  3. Step 3: Cross multiply
    175,896.12x = 242,761.14 × 130,712.70
  4. Step 4: Simplify right side
    175,896.12x = 31,731,964,064.48
  5. Step 5: Solve for x
    x = 31,731,964,064.48/175,896.12
  6. Step 6: Final answer
    x = 180,401.73

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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.