Home / 163,400.72-245,121.96-58,230.32

Finding the Fourth Proportional to 163,400.72, 245,121.96 and 58,230.32

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Solution

The fourth proportional to 163,400.72, 245,121.96 and 58,230.32 is: 87,352.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,400.72 : 245,121.96 = 58,230.32 : x
  2. Step 2: Convert to fraction form
    163,400.72/245,121.96 = 58,230.32/x
  3. Step 3: Cross multiply
    163,400.72x = 245,121.96 × 58,230.32
  4. Step 4: Simplify right side
    163,400.72x = 14,273,530,169.83
  5. Step 5: Solve for x
    x = 14,273,530,169.83/163,400.72
  6. Step 6: Final answer
    x = 87,352.92

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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.