Home / 120,210.76-180,325.88-41,325.04

Finding the Fourth Proportional to 120,210.76, 180,325.88 and 41,325.04

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Solution

The fourth proportional to 120,210.76, 180,325.88 and 41,325.04 is: 61,990.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,210.76 : 180,325.88 = 41,325.04 : x
  2. Step 2: Convert to fraction form
    120,210.76/180,325.88 = 41,325.04/x
  3. Step 3: Cross multiply
    120,210.76x = 180,325.88 × 41,325.04
  4. Step 4: Simplify right side
    120,210.76x = 7,451,974,204.04
  5. Step 5: Solve for x
    x = 7,451,974,204.04/120,210.76
  6. Step 6: Final answer
    x = 61,990.91

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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.