Home / 318,091.24-438,976.02-174,857.32

Finding the Fourth Proportional to 318,091.24, 438,976.02 and 174,857.32

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Solution

The fourth proportional to 318,091.24, 438,976.02 and 174,857.32 is: 241,308.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,091.24 : 438,976.02 = 174,857.32 : x
  2. Step 2: Convert to fraction form
    318,091.24/438,976.02 = 174,857.32/x
  3. Step 3: Cross multiply
    318,091.24x = 438,976.02 × 174,857.32
  4. Step 4: Simplify right side
    318,091.24x = 76,758,170,401.47
  5. Step 5: Solve for x
    x = 76,758,170,401.47/318,091.24
  6. Step 6: Final answer
    x = 241,308.66

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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.