Home / 320,838.14-442,751.26-177,595.10

Finding the Fourth Proportional to 320,838.14, 442,751.26 and 177,595.10

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Solution

The fourth proportional to 320,838.14, 442,751.26 and 177,595.10 is: 245,078.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,838.14 : 442,751.26 = 177,595.10 : x
  2. Step 2: Convert to fraction form
    320,838.14/442,751.26 = 177,595.10/x
  3. Step 3: Cross multiply
    320,838.14x = 442,751.26 × 177,595.10
  4. Step 4: Simplify right side
    320,838.14x = 78,630,454,294.83
  5. Step 5: Solve for x
    x = 78,630,454,294.83/320,838.14
  6. Step 6: Final answer
    x = 245,078.26

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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.