Home / 135,384.28-203,095.25-56,480.36

Finding the Fourth Proportional to 135,384.28, 203,095.25 and 56,480.36

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Solution

The fourth proportional to 135,384.28, 203,095.25 and 56,480.36 is: 84,728.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,384.28 : 203,095.25 = 56,480.36 : x
  2. Step 2: Convert to fraction form
    135,384.28/203,095.25 = 56,480.36/x
  3. Step 3: Cross multiply
    135,384.28x = 203,095.25 × 56,480.36
  4. Step 4: Simplify right side
    135,384.28x = 11,470,891,748.21
  5. Step 5: Solve for x
    x = 11,470,891,748.21/135,384.28
  6. Step 6: Final answer
    x = 84,728.39

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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.