Home / 120,696.40-180,753.20-60,535.67

Finding the Fourth Proportional to 120,696.40, 180,753.20 and 60,535.67

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Solution

The fourth proportional to 120,696.40, 180,753.20 and 60,535.67 is: 90,657.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,696.40 : 180,753.20 = 60,535.67 : x
  2. Step 2: Convert to fraction form
    120,696.40/180,753.20 = 60,535.67/x
  3. Step 3: Cross multiply
    120,696.40x = 180,753.20 × 60,535.67
  4. Step 4: Simplify right side
    120,696.40x = 10,942,015,763.97
  5. Step 5: Solve for x
    x = 10,942,015,763.97/120,696.40
  6. Step 6: Final answer
    x = 90,657.35

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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.