Home / 117,314.40-175,981.26-38,426.88

Finding the Fourth Proportional to 117,314.40, 175,981.26 and 38,426.88

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Solution

The fourth proportional to 117,314.40, 175,981.26 and 38,426.88 is: 57,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,314.40 : 175,981.26 = 38,426.88 : x
  2. Step 2: Convert to fraction form
    117,314.40/175,981.26 = 38,426.88/x
  3. Step 3: Cross multiply
    117,314.40x = 175,981.26 × 38,426.88
  4. Step 4: Simplify right side
    117,314.40x = 6,762,410,760.27
  5. Step 5: Solve for x
    x = 6,762,410,760.27/117,314.40
  6. Step 6: Final answer
    x = 57,643.48

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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.