Home / 257,946.33-384,824.88-243,995.61

Finding the Fourth Proportional to 257,946.33, 384,824.88 and 243,995.61

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Solution

The fourth proportional to 257,946.33, 384,824.88 and 243,995.61 is: 364,012.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,946.33 : 384,824.88 = 243,995.61 : x
  2. Step 2: Convert to fraction form
    257,946.33/384,824.88 = 243,995.61/x
  3. Step 3: Cross multiply
    257,946.33x = 384,824.88 × 243,995.61
  4. Step 4: Simplify right side
    257,946.33x = 93,895,581,338.78
  5. Step 5: Solve for x
    x = 93,895,581,338.78/257,946.33
  6. Step 6: Final answer
    x = 364,012.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.