Home / 106,901.28-160,398.36-67,011.57

Finding the Fourth Proportional to 106,901.28, 160,398.36 and 67,011.57

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Solution

The fourth proportional to 106,901.28, 160,398.36 and 67,011.57 is: 100,546.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,901.28 : 160,398.36 = 67,011.57 : x
  2. Step 2: Convert to fraction form
    106,901.28/160,398.36 = 67,011.57/x
  3. Step 3: Cross multiply
    106,901.28x = 160,398.36 × 67,011.57
  4. Step 4: Simplify right side
    106,901.28x = 10,748,545,929.03
  5. Step 5: Solve for x
    x = 10,748,545,929.03/106,901.28
  6. Step 6: Final answer
    x = 100,546.47

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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.