Home / 171,913.12-237,179.28-112,331.68

Finding the Fourth Proportional to 171,913.12, 237,179.28 and 112,331.68

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Solution

The fourth proportional to 171,913.12, 237,179.28 and 112,331.68 is: 154,977.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,913.12 : 237,179.28 = 112,331.68 : x
  2. Step 2: Convert to fraction form
    171,913.12/237,179.28 = 112,331.68/x
  3. Step 3: Cross multiply
    171,913.12x = 237,179.28 × 112,331.68
  4. Step 4: Simplify right side
    171,913.12x = 26,642,746,983.59
  5. Step 5: Solve for x
    x = 26,642,746,983.59/171,913.12
  6. Step 6: Final answer
    x = 154,977.97

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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.