Home / 178,439.36-267,574.32-103,582.46

Finding the Fourth Proportional to 178,439.36, 267,574.32 and 103,582.46

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Solution

The fourth proportional to 178,439.36, 267,574.32 and 103,582.46 is: 155,324.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,439.36 : 267,574.32 = 103,582.46 : x
  2. Step 2: Convert to fraction form
    178,439.36/267,574.32 = 103,582.46/x
  3. Step 3: Cross multiply
    178,439.36x = 267,574.32 × 103,582.46
  4. Step 4: Simplify right side
    178,439.36x = 27,716,006,298.43
  5. Step 5: Solve for x
    x = 27,716,006,298.43/178,439.36
  6. Step 6: Final answer
    x = 155,324.51

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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.