Home / 131,552.33-197,127.74-68,392.98

Finding the Fourth Proportional to 131,552.33, 197,127.74 and 68,392.98

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Solution

The fourth proportional to 131,552.33, 197,127.74 and 68,392.98 is: 102,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,552.33 : 197,127.74 = 68,392.98 : x
  2. Step 2: Convert to fraction form
    131,552.33/197,127.74 = 68,392.98/x
  3. Step 3: Cross multiply
    131,552.33x = 197,127.74 × 68,392.98
  4. Step 4: Simplify right side
    131,552.33x = 13,482,153,750.25
  5. Step 5: Solve for x
    x = 13,482,153,750.25/131,552.33
  6. Step 6: Final answer
    x = 102,485.10

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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.