Home / 106,905.30-160,320.15-36,768.30

Finding the Fourth Proportional to 106,905.30, 160,320.15 and 36,768.30

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Solution

The fourth proportional to 106,905.30, 160,320.15 and 36,768.30 is: 55,139.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,905.30 : 160,320.15 = 36,768.30 : x
  2. Step 2: Convert to fraction form
    106,905.30/160,320.15 = 36,768.30/x
  3. Step 3: Cross multiply
    106,905.30x = 160,320.15 × 36,768.30
  4. Step 4: Simplify right side
    106,905.30x = 5,894,699,371.25
  5. Step 5: Solve for x
    x = 5,894,699,371.25/106,905.30
  6. Step 6: Final answer
    x = 55,139.45

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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.