Home / 319,243.01-440,575.20-176,002.83

Finding the Fourth Proportional to 319,243.01, 440,575.20 and 176,002.83

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Solution

The fourth proportional to 319,243.01, 440,575.20 and 176,002.83 is: 242,894.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,243.01 : 440,575.20 = 176,002.83 : x
  2. Step 2: Convert to fraction form
    319,243.01/440,575.20 = 176,002.83/x
  3. Step 3: Cross multiply
    319,243.01x = 440,575.20 × 176,002.83
  4. Step 4: Simplify right side
    319,243.01x = 77,542,482,027.82
  5. Step 5: Solve for x
    x = 77,542,482,027.82/319,243.01
  6. Step 6: Final answer
    x = 242,894.85

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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.