Home / 319,214.55-440,513.19-175,974.60

Finding the Fourth Proportional to 319,214.55, 440,513.19 and 175,974.60

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Solution

The fourth proportional to 319,214.55, 440,513.19 and 175,974.60 is: 242,843.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,214.55 : 440,513.19 = 175,974.60 : x
  2. Step 2: Convert to fraction form
    319,214.55/440,513.19 = 175,974.60/x
  3. Step 3: Cross multiply
    319,214.55x = 440,513.19 × 175,974.60
  4. Step 4: Simplify right side
    319,214.55x = 77,519,130,202.41
  5. Step 5: Solve for x
    x = 77,519,130,202.41/319,214.55
  6. Step 6: Final answer
    x = 242,843.35

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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.