Home / 318,148.22-439,047.51-174,909.28

Finding the Fourth Proportional to 318,148.22, 439,047.51 and 174,909.28

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Solution

The fourth proportional to 318,148.22, 439,047.51 and 174,909.28 is: 241,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,148.22 : 439,047.51 = 174,909.28 : x
  2. Step 2: Convert to fraction form
    318,148.22/439,047.51 = 174,909.28/x
  3. Step 3: Cross multiply
    318,148.22x = 439,047.51 × 174,909.28
  4. Step 4: Simplify right side
    318,148.22x = 76,793,485,064.61
  5. Step 5: Solve for x
    x = 76,793,485,064.61/318,148.22
  6. Step 6: Final answer
    x = 241,376.44

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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.