Home / 120,868.27-181,302.40-45,971.11

Finding the Fourth Proportional to 120,868.27, 181,302.40 and 45,971.11

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Solution

The fourth proportional to 120,868.27, 181,302.40 and 45,971.11 is: 68,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,868.27 : 181,302.40 = 45,971.11 : x
  2. Step 2: Convert to fraction form
    120,868.27/181,302.40 = 45,971.11/x
  3. Step 3: Cross multiply
    120,868.27x = 181,302.40 × 45,971.11
  4. Step 4: Simplify right side
    120,868.27x = 8,334,672,857.76
  5. Step 5: Solve for x
    x = 8,334,672,857.76/120,868.27
  6. Step 6: Final answer
    x = 68,956.67

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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.