Home / 318,256.71-439,182.04-175,008.21

Finding the Fourth Proportional to 318,256.71, 439,182.04 and 175,008.21

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Solution

The fourth proportional to 318,256.71, 439,182.04 and 175,008.21 is: 241,504.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,256.71 : 439,182.04 = 175,008.21 : x
  2. Step 2: Convert to fraction form
    318,256.71/439,182.04 = 175,008.21/x
  3. Step 3: Cross multiply
    318,256.71x = 439,182.04 × 175,008.21
  4. Step 4: Simplify right side
    318,256.71x = 76,860,462,684.55
  5. Step 5: Solve for x
    x = 76,860,462,684.55/318,256.71
  6. Step 6: Final answer
    x = 241,504.61

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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.