Home / 116,393.37-174,677.01-78,864.45

Finding the Fourth Proportional to 116,393.37, 174,677.01 and 78,864.45

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Solution

The fourth proportional to 116,393.37, 174,677.01 and 78,864.45 is: 118,355.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,393.37 : 174,677.01 = 78,864.45 : x
  2. Step 2: Convert to fraction form
    116,393.37/174,677.01 = 78,864.45/x
  3. Step 3: Cross multiply
    116,393.37x = 174,677.01 × 78,864.45
  4. Step 4: Simplify right side
    116,393.37x = 13,775,806,321.29
  5. Step 5: Solve for x
    x = 13,775,806,321.29/116,393.37
  6. Step 6: Final answer
    x = 118,355.59

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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.