Home / 215,673.38-297,630.45-125,083.06

Finding the Fourth Proportional to 215,673.38, 297,630.45 and 125,083.06

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Solution

The fourth proportional to 215,673.38, 297,630.45 and 125,083.06 is: 172,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,673.38 : 297,630.45 = 125,083.06 : x
  2. Step 2: Convert to fraction form
    215,673.38/297,630.45 = 125,083.06/x
  3. Step 3: Cross multiply
    215,673.38x = 297,630.45 × 125,083.06
  4. Step 4: Simplify right side
    215,673.38x = 37,228,525,321.61
  5. Step 5: Solve for x
    x = 37,228,525,321.61/215,673.38
  6. Step 6: Final answer
    x = 172,615.30

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1.5x scale

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.