Home / 120,741.16-181,151.09-60,738.67

Finding the Fourth Proportional to 120,741.16, 181,151.09 and 60,738.67

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Solution

The fourth proportional to 120,741.16, 181,151.09 and 60,738.67 is: 91,127.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,741.16 : 181,151.09 = 60,738.67 : x
  2. Step 2: Convert to fraction form
    120,741.16/181,151.09 = 60,738.67/x
  3. Step 3: Cross multiply
    120,741.16x = 181,151.09 × 60,738.67
  4. Step 4: Simplify right side
    120,741.16x = 11,002,875,066.20
  5. Step 5: Solve for x
    x = 11,002,875,066.20/120,741.16
  6. Step 6: Final answer
    x = 91,127.79

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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.