Home / 115,367.40-173,051.10-70,849.80

Finding the Fourth Proportional to 115,367.40, 173,051.10 and 70,849.80

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Solution

The fourth proportional to 115,367.40, 173,051.10 and 70,849.80 is: 106,274.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,367.40 : 173,051.10 = 70,849.80 : x
  2. Step 2: Convert to fraction form
    115,367.40/173,051.10 = 70,849.80/x
  3. Step 3: Cross multiply
    115,367.40x = 173,051.10 × 70,849.80
  4. Step 4: Simplify right side
    115,367.40x = 12,260,635,824.78
  5. Step 5: Solve for x
    x = 12,260,635,824.78/115,367.40
  6. Step 6: Final answer
    x = 106,274.70

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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.