Home / 117,914.16-176,605.56-67,875.60

Finding the Fourth Proportional to 117,914.16, 176,605.56 and 67,875.60

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Solution

The fourth proportional to 117,914.16, 176,605.56 and 67,875.60 is: 101,660.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,914.16 : 176,605.56 = 67,875.60 : x
  2. Step 2: Convert to fraction form
    117,914.16/176,605.56 = 67,875.60/x
  3. Step 3: Cross multiply
    117,914.16x = 176,605.56 × 67,875.60
  4. Step 4: Simplify right side
    117,914.16x = 11,987,208,348.34
  5. Step 5: Solve for x
    x = 11,987,208,348.34/117,914.16
  6. Step 6: Final answer
    x = 101,660.47

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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.