Home / 117,715.26-176,517.54-42,782.52

Finding the Fourth Proportional to 117,715.26, 176,517.54 and 42,782.52

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Solution

The fourth proportional to 117,715.26, 176,517.54 and 42,782.52 is: 64,153.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,715.26 : 176,517.54 = 42,782.52 : x
  2. Step 2: Convert to fraction form
    117,715.26/176,517.54 = 42,782.52/x
  3. Step 3: Cross multiply
    117,715.26x = 176,517.54 × 42,782.52
  4. Step 4: Simplify right side
    117,715.26x = 7,551,865,185.40
  5. Step 5: Solve for x
    x = 7,551,865,185.40/117,715.26
  6. Step 6: Final answer
    x = 64,153.66

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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.