Home / 546,721.54-819,988.85-147,268.89

Finding the Fourth Proportional to 546,721.54, 819,988.85 and 147,268.89

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Solution

The fourth proportional to 546,721.54, 819,988.85 and 147,268.89 is: 220,878.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,721.54 : 819,988.85 = 147,268.89 : x
  2. Step 2: Convert to fraction form
    546,721.54/819,988.85 = 147,268.89/x
  3. Step 3: Cross multiply
    546,721.54x = 819,988.85 × 147,268.89
  4. Step 4: Simplify right side
    546,721.54x = 120,758,848,120.05
  5. Step 5: Solve for x
    x = 120,758,848,120.05/546,721.54
  6. Step 6: Final answer
    x = 220,878.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.