Home / 297,913.40-446,870.10-171,942.20

Finding the Fourth Proportional to 297,913.40, 446,870.10 and 171,942.20

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Solution

The fourth proportional to 297,913.40, 446,870.10 and 171,942.20 is: 257,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,913.40 : 446,870.10 = 171,942.20 : x
  2. Step 2: Convert to fraction form
    297,913.40/446,870.10 = 171,942.20/x
  3. Step 3: Cross multiply
    297,913.40x = 446,870.10 × 171,942.20
  4. Step 4: Simplify right side
    297,913.40x = 76,835,828,108.22
  5. Step 5: Solve for x
    x = 76,835,828,108.22/297,913.40
  6. Step 6: Final answer
    x = 257,913.30

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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.