Home / 107,446.10-161,168.99-28,560.33

Finding the Fourth Proportional to 107,446.10, 161,168.99 and 28,560.33

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Solution

The fourth proportional to 107,446.10, 161,168.99 and 28,560.33 is: 42,840.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,446.10 : 161,168.99 = 28,560.33 : x
  2. Step 2: Convert to fraction form
    107,446.10/161,168.99 = 28,560.33/x
  3. Step 3: Cross multiply
    107,446.10x = 161,168.99 × 28,560.33
  4. Step 4: Simplify right side
    107,446.10x = 4,603,039,397.37
  5. Step 5: Solve for x
    x = 4,603,039,397.37/107,446.10
  6. Step 6: Final answer
    x = 42,840.45

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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.