Home / 314,858.10-434,504.30-178,892.22

Finding the Fourth Proportional to 314,858.10, 434,504.30 and 178,892.22

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Solution

The fourth proportional to 314,858.10, 434,504.30 and 178,892.22 is: 246,871.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,858.10 : 434,504.30 = 178,892.22 : x
  2. Step 2: Convert to fraction form
    314,858.10/434,504.30 = 178,892.22/x
  3. Step 3: Cross multiply
    314,858.10x = 434,504.30 × 178,892.22
  4. Step 4: Simplify right side
    314,858.10x = 77,729,438,826.55
  5. Step 5: Solve for x
    x = 77,729,438,826.55/314,858.10
  6. Step 6: Final answer
    x = 246,871.33

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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.