Home / 339,780.18-468,886.73-186,818.21

Finding the Fourth Proportional to 339,780.18, 468,886.73 and 186,818.21

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Solution

The fourth proportional to 339,780.18, 468,886.73 and 186,818.21 is: 257,803.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,780.18 : 468,886.73 = 186,818.21 : x
  2. Step 2: Convert to fraction form
    339,780.18/468,886.73 = 186,818.21/x
  3. Step 3: Cross multiply
    339,780.18x = 468,886.73 × 186,818.21
  4. Step 4: Simplify right side
    339,780.18x = 87,596,579,122.01
  5. Step 5: Solve for x
    x = 87,596,579,122.01/339,780.18
  6. Step 6: Final answer
    x = 257,803.68

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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.