Home / 117,802.43-175,371.28-117,101.81

Finding the Fourth Proportional to 117,802.43, 175,371.28 and 117,101.81

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Solution

The fourth proportional to 117,802.43, 175,371.28 and 117,101.81 is: 174,328.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,802.43 : 175,371.28 = 117,101.81 : x
  2. Step 2: Convert to fraction form
    117,802.43/175,371.28 = 117,101.81/x
  3. Step 3: Cross multiply
    117,802.43x = 175,371.28 × 117,101.81
  4. Step 4: Simplify right side
    117,802.43x = 20,536,294,455.69
  5. Step 5: Solve for x
    x = 20,536,294,455.69/117,802.43
  6. Step 6: Final answer
    x = 174,328.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.