Home / 183,949.95-253,942.79-120,384.84

Finding the Fourth Proportional to 183,949.95, 253,942.79 and 120,384.84

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Solution

The fourth proportional to 183,949.95, 253,942.79 and 120,384.84 is: 166,191.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,949.95 : 253,942.79 = 120,384.84 : x
  2. Step 2: Convert to fraction form
    183,949.95/253,942.79 = 120,384.84/x
  3. Step 3: Cross multiply
    183,949.95x = 253,942.79 × 120,384.84
  4. Step 4: Simplify right side
    183,949.95x = 30,570,861,541.38
  5. Step 5: Solve for x
    x = 30,570,861,541.38/183,949.95
  6. Step 6: Final answer
    x = 166,191.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.