Home / 314,859.10-434,505.68-178,893.22

Finding the Fourth Proportional to 314,859.10, 434,505.68 and 178,893.22

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Solution

The fourth proportional to 314,859.10, 434,505.68 and 178,893.22 is: 246,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,859.10 : 434,505.68 = 178,893.22 : x
  2. Step 2: Convert to fraction form
    314,859.10/434,505.68 = 178,893.22/x
  3. Step 3: Cross multiply
    314,859.10x = 434,505.68 × 178,893.22
  4. Step 4: Simplify right side
    314,859.10x = 77,730,120,203.49
  5. Step 5: Solve for x
    x = 77,730,120,203.49/314,859.10
  6. Step 6: Final answer
    x = 246,872.71

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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.