Home / 117,276.18-175,958.55-70,561.86

Finding the Fourth Proportional to 117,276.18, 175,958.55 and 70,561.86

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Solution

The fourth proportional to 117,276.18, 175,958.55 and 70,561.86 is: 105,869.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,276.18 : 175,958.55 = 70,561.86 : x
  2. Step 2: Convert to fraction form
    117,276.18/175,958.55 = 70,561.86/x
  3. Step 3: Cross multiply
    117,276.18x = 175,958.55 × 70,561.86
  4. Step 4: Simplify right side
    117,276.18x = 12,415,962,570.90
  5. Step 5: Solve for x
    x = 12,415,962,570.90/117,276.18
  6. Step 6: Final answer
    x = 105,869.43

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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.