Home / 106,926.20-160,043.70-83,425.40

Finding the Fourth Proportional to 106,926.20, 160,043.70 and 83,425.40

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Solution

The fourth proportional to 106,926.20, 160,043.70 and 83,425.40 is: 124,868.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,926.20 : 160,043.70 = 83,425.40 : x
  2. Step 2: Convert to fraction form
    106,926.20/160,043.70 = 83,425.40/x
  3. Step 3: Cross multiply
    106,926.20x = 160,043.70 × 83,425.40
  4. Step 4: Simplify right side
    106,926.20x = 13,351,709,689.98
  5. Step 5: Solve for x
    x = 13,351,709,689.98/106,926.20
  6. Step 6: Final answer
    x = 124,868.46

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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.