Home / 339,017.04-508,525.56-128,604.96

Finding the Fourth Proportional to 339,017.04, 508,525.56 and 128,604.96

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Solution

The fourth proportional to 339,017.04, 508,525.56 and 128,604.96 is: 192,907.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,017.04 : 508,525.56 = 128,604.96 : x
  2. Step 2: Convert to fraction form
    339,017.04/508,525.56 = 128,604.96/x
  3. Step 3: Cross multiply
    339,017.04x = 508,525.56 × 128,604.96
  4. Step 4: Simplify right side
    339,017.04x = 65,398,909,302.78
  5. Step 5: Solve for x
    x = 65,398,909,302.78/339,017.04
  6. Step 6: Final answer
    x = 192,907.44

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Similar ratio
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1.5x scale

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.