Home / 134,942.60-202,438.20-56,064.80

Finding the Fourth Proportional to 134,942.60, 202,438.20 and 56,064.80

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Solution

The fourth proportional to 134,942.60, 202,438.20 and 56,064.80 is: 84,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,942.60 : 202,438.20 = 56,064.80 : x
  2. Step 2: Convert to fraction form
    134,942.60/202,438.20 = 56,064.80/x
  3. Step 3: Cross multiply
    134,942.60x = 202,438.20 × 56,064.80
  4. Step 4: Simplify right side
    134,942.60x = 11,349,657,195.36
  5. Step 5: Solve for x
    x = 11,349,657,195.36/134,942.60
  6. Step 6: Final answer
    x = 84,107.30

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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.