Home / 255,311.11-352,326.35-140,587.37

Finding the Fourth Proportional to 255,311.11, 352,326.35 and 140,587.37

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Solution

The fourth proportional to 255,311.11, 352,326.35 and 140,587.37 is: 194,008.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,311.11 : 352,326.35 = 140,587.37 : x
  2. Step 2: Convert to fraction form
    255,311.11/352,326.35 = 140,587.37/x
  3. Step 3: Cross multiply
    255,311.11x = 352,326.35 × 140,587.37
  4. Step 4: Simplify right side
    255,311.11x = 49,532,632,463.63
  5. Step 5: Solve for x
    x = 49,532,632,463.63/255,311.11
  6. Step 6: Final answer
    x = 194,008.92

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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.