Home / 120,588.40-180,900.42-41,681.44

Finding the Fourth Proportional to 120,588.40, 180,900.42 and 41,681.44

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Solution

The fourth proportional to 120,588.40, 180,900.42 and 41,681.44 is: 62,528.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,588.40 : 180,900.42 = 41,681.44 : x
  2. Step 2: Convert to fraction form
    120,588.40/180,900.42 = 41,681.44/x
  3. Step 3: Cross multiply
    120,588.40x = 180,900.42 × 41,681.44
  4. Step 4: Simplify right side
    120,588.40x = 7,540,190,002.20
  5. Step 5: Solve for x
    x = 7,540,190,002.20/120,588.40
  6. Step 6: Final answer
    x = 62,528.32

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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.