Home / 120,657.96-180,007.23-114,126.12

Finding the Fourth Proportional to 120,657.96, 180,007.23 and 114,126.12

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Solution

The fourth proportional to 120,657.96, 180,007.23 and 114,126.12 is: 170,262.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,657.96 : 180,007.23 = 114,126.12 : x
  2. Step 2: Convert to fraction form
    120,657.96/180,007.23 = 114,126.12/x
  3. Step 3: Cross multiply
    120,657.96x = 180,007.23 × 114,126.12
  4. Step 4: Simplify right side
    120,657.96x = 20,543,526,731.85
  5. Step 5: Solve for x
    x = 20,543,526,731.85/120,657.96
  6. Step 6: Final answer
    x = 170,262.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.