Home / 103,416.35-155,139.10-36,842.24

Finding the Fourth Proportional to 103,416.35, 155,139.10 and 36,842.24

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Solution

The fourth proportional to 103,416.35, 155,139.10 and 36,842.24 is: 55,268.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,416.35 : 155,139.10 = 36,842.24 : x
  2. Step 2: Convert to fraction form
    103,416.35/155,139.10 = 36,842.24/x
  3. Step 3: Cross multiply
    103,416.35x = 155,139.10 × 36,842.24
  4. Step 4: Simplify right side
    103,416.35x = 5,715,672,251.33
  5. Step 5: Solve for x
    x = 5,715,672,251.33/103,416.35
  6. Step 6: Final answer
    x = 55,268.56

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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.