Home / 116,466.15-174,521.03-78,374.36

Finding the Fourth Proportional to 116,466.15, 174,521.03 and 78,374.36

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Solution

The fourth proportional to 116,466.15, 174,521.03 and 78,374.36 is: 117,441.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,466.15 : 174,521.03 = 78,374.36 : x
  2. Step 2: Convert to fraction form
    116,466.15/174,521.03 = 78,374.36/x
  3. Step 3: Cross multiply
    116,466.15x = 174,521.03 × 78,374.36
  4. Step 4: Simplify right side
    116,466.15x = 13,677,972,768.31
  5. Step 5: Solve for x
    x = 13,677,972,768.31/116,466.15
  6. Step 6: Final answer
    x = 117,441.62

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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.