Home / 313,884.13-433,165.03-170,644.72

Finding the Fourth Proportional to 313,884.13, 433,165.03 and 170,644.72

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Solution

The fourth proportional to 313,884.13, 433,165.03 and 170,644.72 is: 235,492.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,884.13 : 433,165.03 = 170,644.72 : x
  2. Step 2: Convert to fraction form
    313,884.13/433,165.03 = 170,644.72/x
  3. Step 3: Cross multiply
    313,884.13x = 433,165.03 × 170,644.72
  4. Step 4: Simplify right side
    313,884.13x = 73,917,325,258.14
  5. Step 5: Solve for x
    x = 73,917,325,258.14/313,884.13
  6. Step 6: Final answer
    x = 235,492.39

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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.