Home / 107,404.20-160,952.70-79,103.40

Finding the Fourth Proportional to 107,404.20, 160,952.70 and 79,103.40

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Solution

The fourth proportional to 107,404.20, 160,952.70 and 79,103.40 is: 118,541.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,404.20 : 160,952.70 = 79,103.40 : x
  2. Step 2: Convert to fraction form
    107,404.20/160,952.70 = 79,103.40/x
  3. Step 3: Cross multiply
    107,404.20x = 160,952.70 × 79,103.40
  4. Step 4: Simplify right side
    107,404.20x = 12,731,905,809.18
  5. Step 5: Solve for x
    x = 12,731,905,809.18/107,404.20
  6. Step 6: Final answer
    x = 118,541.97

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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.