Home / 314,858.03-434,504.21-178,892.16

Finding the Fourth Proportional to 314,858.03, 434,504.21 and 178,892.16

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Solution

The fourth proportional to 314,858.03, 434,504.21 and 178,892.16 is: 246,871.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,858.03 : 434,504.21 = 178,892.16 : x
  2. Step 2: Convert to fraction form
    314,858.03/434,504.21 = 178,892.16/x
  3. Step 3: Cross multiply
    314,858.03x = 434,504.21 × 178,892.16
  4. Step 4: Simplify right side
    314,858.03x = 77,729,396,360.45
  5. Step 5: Solve for x
    x = 77,729,396,360.45/314,858.03
  6. Step 6: Final answer
    x = 246,871.25

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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.