Home / 131,467.01-197,130.35-68,223.45

Finding the Fourth Proportional to 131,467.01, 197,130.35 and 68,223.45

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Solution

The fourth proportional to 131,467.01, 197,130.35 and 68,223.45 is: 102,298.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,467.01 : 197,130.35 = 68,223.45 : x
  2. Step 2: Convert to fraction form
    131,467.01/197,130.35 = 68,223.45/x
  3. Step 3: Cross multiply
    131,467.01x = 197,130.35 × 68,223.45
  4. Step 4: Simplify right side
    131,467.01x = 13,448,913,240.09
  5. Step 5: Solve for x
    x = 13,448,913,240.09/131,467.01
  6. Step 6: Final answer
    x = 102,298.77

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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.