Home / 339,955.13-469,148.40-186,985.41

Finding the Fourth Proportional to 339,955.13, 469,148.40 and 186,985.41

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Solution

The fourth proportional to 339,955.13, 469,148.40 and 186,985.41 is: 258,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,955.13 : 469,148.40 = 186,985.41 : x
  2. Step 2: Convert to fraction form
    339,955.13/469,148.40 = 186,985.41/x
  3. Step 3: Cross multiply
    339,955.13x = 469,148.40 × 186,985.41
  4. Step 4: Simplify right side
    339,955.13x = 87,723,905,924.84
  5. Step 5: Solve for x
    x = 87,723,905,924.84/339,955.13
  6. Step 6: Final answer
    x = 258,045.55

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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.