Home / 148,743.36-205,345.80-114,677.46

Finding the Fourth Proportional to 148,743.36, 205,345.80 and 114,677.46

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Solution

The fourth proportional to 148,743.36, 205,345.80 and 114,677.46 is: 158,316.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,743.36 : 205,345.80 = 114,677.46 : x
  2. Step 2: Convert to fraction form
    148,743.36/205,345.80 = 114,677.46/x
  3. Step 3: Cross multiply
    148,743.36x = 205,345.80 × 114,677.46
  4. Step 4: Simplify right side
    148,743.36x = 23,548,534,765.67
  5. Step 5: Solve for x
    x = 23,548,534,765.67/148,743.36
  6. Step 6: Final answer
    x = 158,316.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.