Home / 106,903.28-160,401.36-67,013.58

Finding the Fourth Proportional to 106,903.28, 160,401.36 and 67,013.58

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Solution

The fourth proportional to 106,903.28, 160,401.36 and 67,013.58 is: 100,549.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,903.28 : 160,401.36 = 67,013.58 : x
  2. Step 2: Convert to fraction form
    106,903.28/160,401.36 = 67,013.58/x
  3. Step 3: Cross multiply
    106,903.28x = 160,401.36 × 67,013.58
  4. Step 4: Simplify right side
    106,903.28x = 10,749,069,370.47
  5. Step 5: Solve for x
    x = 10,749,069,370.47/106,903.28
  6. Step 6: Final answer
    x = 100,549.48

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1.5x scale

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.