Home / 339,815.35-468,957.21-186,865.14

Finding the Fourth Proportional to 339,815.35, 468,957.21 and 186,865.14

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Solution

The fourth proportional to 339,815.35, 468,957.21 and 186,865.14 is: 257,880.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,815.35 : 468,957.21 = 186,865.14 : x
  2. Step 2: Convert to fraction form
    339,815.35/468,957.21 = 186,865.14/x
  3. Step 3: Cross multiply
    339,815.35x = 468,957.21 × 186,865.14
  4. Step 4: Simplify right side
    339,815.35x = 87,631,754,700.66
  5. Step 5: Solve for x
    x = 87,631,754,700.66/339,815.35
  6. Step 6: Final answer
    x = 257,880.51

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1.5x scale

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.