Home / 128,096.89-176,382.39-116,082.07

Finding the Fourth Proportional to 128,096.89, 176,382.39 and 116,082.07

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Solution

The fourth proportional to 128,096.89, 176,382.39 and 116,082.07 is: 159,838.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,096.89 : 176,382.39 = 116,082.07 : x
  2. Step 2: Convert to fraction form
    128,096.89/176,382.39 = 116,082.07/x
  3. Step 3: Cross multiply
    128,096.89x = 176,382.39 × 116,082.07
  4. Step 4: Simplify right side
    128,096.89x = 20,474,832,942.75
  5. Step 5: Solve for x
    x = 20,474,832,942.75/128,096.89
  6. Step 6: Final answer
    x = 159,838.64

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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.