Home / 318,215.16-439,135.56-174,982.86

Finding the Fourth Proportional to 318,215.16, 439,135.56 and 174,982.86

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Solution

The fourth proportional to 318,215.16, 439,135.56 and 174,982.86 is: 241,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,215.16 : 439,135.56 = 174,982.86 : x
  2. Step 2: Convert to fraction form
    318,215.16/439,135.56 = 174,982.86/x
  3. Step 3: Cross multiply
    318,215.16x = 439,135.56 × 174,982.86
  4. Step 4: Simplify right side
    318,215.16x = 76,841,196,216.50
  5. Step 5: Solve for x
    x = 76,841,196,216.50/318,215.16
  6. Step 6: Final answer
    x = 241,475.60

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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.