Home / 117,519.30-176,307.30-38,629.35

Finding the Fourth Proportional to 117,519.30, 176,307.30 and 38,629.35

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Solution

The fourth proportional to 117,519.30, 176,307.30 and 38,629.35 is: 57,953.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,519.30 : 176,307.30 = 38,629.35 : x
  2. Step 2: Convert to fraction form
    117,519.30/176,307.30 = 38,629.35/x
  3. Step 3: Cross multiply
    117,519.30x = 176,307.30 × 38,629.35
  4. Step 4: Simplify right side
    117,519.30x = 6,810,636,399.26
  5. Step 5: Solve for x
    x = 6,810,636,399.26/117,519.30
  6. Step 6: Final answer
    x = 57,953.34

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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.