Home / 131,718.80-197,675.40-52,889.60

Finding the Fourth Proportional to 131,718.80, 197,675.40 and 52,889.60

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Solution

The fourth proportional to 131,718.80, 197,675.40 and 52,889.60 is: 79,373.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,718.80 : 197,675.40 = 52,889.60 : x
  2. Step 2: Convert to fraction form
    131,718.80/197,675.40 = 52,889.60/x
  3. Step 3: Cross multiply
    131,718.80x = 197,675.40 × 52,889.60
  4. Step 4: Simplify right side
    131,718.80x = 10,454,972,835.84
  5. Step 5: Solve for x
    x = 10,454,972,835.84/131,718.80
  6. Step 6: Final answer
    x = 79,373.43

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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.