Home / 171,911.12-237,176.52-112,329.68

Finding the Fourth Proportional to 171,911.12, 237,176.52 and 112,329.68

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Solution

The fourth proportional to 171,911.12, 237,176.52 and 112,329.68 is: 154,975.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,911.12 : 237,176.52 = 112,329.68 : x
  2. Step 2: Convert to fraction form
    171,911.12/237,176.52 = 112,329.68/x
  3. Step 3: Cross multiply
    171,911.12x = 237,176.52 × 112,329.68
  4. Step 4: Simplify right side
    171,911.12x = 26,641,962,595.11
  5. Step 5: Solve for x
    x = 26,641,962,595.11/171,911.12
  6. Step 6: Final answer
    x = 154,975.21

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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.