Home / 213,050.12-319,519.89-63,255.20

Finding the Fourth Proportional to 213,050.12, 319,519.89 and 63,255.20

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Solution

The fourth proportional to 213,050.12, 319,519.89 and 63,255.20 is: 94,866.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,050.12 : 319,519.89 = 63,255.20 : x
  2. Step 2: Convert to fraction form
    213,050.12/319,519.89 = 63,255.20/x
  3. Step 3: Cross multiply
    213,050.12x = 319,519.89 × 63,255.20
  4. Step 4: Simplify right side
    213,050.12x = 20,211,292,948.33
  5. Step 5: Solve for x
    x = 20,211,292,948.33/213,050.12
  6. Step 6: Final answer
    x = 94,866.38

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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.