Home / 619,421.32-929,291.82-198,700.84

Finding the Fourth Proportional to 619,421.32, 929,291.82 and 198,700.84

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Solution

The fourth proportional to 619,421.32, 929,291.82 and 198,700.84 is: 298,102.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,421.32 : 929,291.82 = 198,700.84 : x
  2. Step 2: Convert to fraction form
    619,421.32/929,291.82 = 198,700.84/x
  3. Step 3: Cross multiply
    619,421.32x = 929,291.82 × 198,700.84
  4. Step 4: Simplify right side
    619,421.32x = 184,651,065,239.13
  5. Step 5: Solve for x
    x = 184,651,065,239.13/619,421.32
  6. Step 6: Final answer
    x = 298,102.53

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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.