Home / 213,011.87-293,957.37-117,518.54

Finding the Fourth Proportional to 213,011.87, 293,957.37 and 117,518.54

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Solution

The fourth proportional to 213,011.87, 293,957.37 and 117,518.54 is: 162,176.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,011.87 : 293,957.37 = 117,518.54 : x
  2. Step 2: Convert to fraction form
    213,011.87/293,957.37 = 117,518.54/x
  3. Step 3: Cross multiply
    213,011.87x = 293,957.37 × 117,518.54
  4. Step 4: Simplify right side
    213,011.87x = 34,545,439,474.85
  5. Step 5: Solve for x
    x = 34,545,439,474.85/213,011.87
  6. Step 6: Final answer
    x = 162,176.13

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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.