Home / 318,414.02-439,395.47-175,170.38

Finding the Fourth Proportional to 318,414.02, 439,395.47 and 175,170.38

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Solution

The fourth proportional to 318,414.02, 439,395.47 and 175,170.38 is: 241,726.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,414.02 : 439,395.47 = 175,170.38 : x
  2. Step 2: Convert to fraction form
    318,414.02/439,395.47 = 175,170.38/x
  3. Step 3: Cross multiply
    318,414.02x = 439,395.47 × 175,170.38
  4. Step 4: Simplify right side
    318,414.02x = 76,969,070,574.33
  5. Step 5: Solve for x
    x = 76,969,070,574.33/318,414.02
  6. Step 6: Final answer
    x = 241,726.39

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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.