Home / 297,905.40-446,858.10-171,934.20

Finding the Fourth Proportional to 297,905.40, 446,858.10 and 171,934.20

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Solution

The fourth proportional to 297,905.40, 446,858.10 and 171,934.20 is: 257,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,905.40 : 446,858.10 = 171,934.20 : x
  2. Step 2: Convert to fraction form
    297,905.40/446,858.10 = 171,934.20/x
  3. Step 3: Cross multiply
    297,905.40x = 446,858.10 × 171,934.20
  4. Step 4: Simplify right side
    297,905.40x = 76,830,189,937.02
  5. Step 5: Solve for x
    x = 76,830,189,937.02/297,905.40
  6. Step 6: Final answer
    x = 257,901.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.