Home / 106,900.21-160,348.63-36,780.13

Finding the Fourth Proportional to 106,900.21, 160,348.63 and 36,780.13

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Solution

The fourth proportional to 106,900.21, 160,348.63 and 36,780.13 is: 55,169.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,900.21 : 160,348.63 = 36,780.13 : x
  2. Step 2: Convert to fraction form
    106,900.21/160,348.63 = 36,780.13/x
  3. Step 3: Cross multiply
    106,900.21x = 160,348.63 × 36,780.13
  4. Step 4: Simplify right side
    106,900.21x = 5,897,643,456.72
  5. Step 5: Solve for x
    x = 5,897,643,456.72/106,900.21
  6. Step 6: Final answer
    x = 55,169.62

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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.