Home / 131,914.20-182,124.15-101,642.07

Finding the Fourth Proportional to 131,914.20, 182,124.15 and 101,642.07

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Solution

The fourth proportional to 131,914.20, 182,124.15 and 101,642.07 is: 140,329.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,914.20 : 182,124.15 = 101,642.07 : x
  2. Step 2: Convert to fraction form
    131,914.20/182,124.15 = 101,642.07/x
  3. Step 3: Cross multiply
    131,914.20x = 182,124.15 × 101,642.07
  4. Step 4: Simplify right side
    131,914.20x = 18,511,475,602.99
  5. Step 5: Solve for x
    x = 18,511,475,602.99/131,914.20
  6. Step 6: Final answer
    x = 140,329.67

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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.