Home / 107,222.40-160,963.20-106,444.80

Finding the Fourth Proportional to 107,222.40, 160,963.20 and 106,444.80

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Solution

The fourth proportional to 107,222.40, 160,963.20 and 106,444.80 is: 159,795.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,222.40 : 160,963.20 = 106,444.80 : x
  2. Step 2: Convert to fraction form
    107,222.40/160,963.20 = 106,444.80/x
  3. Step 3: Cross multiply
    107,222.40x = 160,963.20 × 106,444.80
  4. Step 4: Simplify right side
    107,222.40x = 17,133,695,631.36
  5. Step 5: Solve for x
    x = 17,133,695,631.36/107,222.40
  6. Step 6: Final answer
    x = 159,795.86

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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.