Home / 318,238.21-439,180.01-175,009.15

Finding the Fourth Proportional to 318,238.21, 439,180.01 and 175,009.15

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Solution

The fourth proportional to 318,238.21, 439,180.01 and 175,009.15 is: 241,518.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,238.21 : 439,180.01 = 175,009.15 : x
  2. Step 2: Convert to fraction form
    318,238.21/439,180.01 = 175,009.15/x
  3. Step 3: Cross multiply
    318,238.21x = 439,180.01 × 175,009.15
  4. Step 4: Simplify right side
    318,238.21x = 76,860,520,247.09
  5. Step 5: Solve for x
    x = 76,860,520,247.09/318,238.21
  6. Step 6: Final answer
    x = 241,518.83

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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.