Home / 155,943.56-233,796.39-129,207.48

Finding the Fourth Proportional to 155,943.56, 233,796.39 and 129,207.48

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Solution

The fourth proportional to 155,943.56, 233,796.39 and 129,207.48 is: 193,712.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,943.56 : 233,796.39 = 129,207.48 : x
  2. Step 2: Convert to fraction form
    155,943.56/233,796.39 = 129,207.48/x
  3. Step 3: Cross multiply
    155,943.56x = 233,796.39 × 129,207.48
  4. Step 4: Simplify right side
    155,943.56x = 30,208,242,385.00
  5. Step 5: Solve for x
    x = 30,208,242,385.00/155,943.56
  6. Step 6: Final answer
    x = 193,712.67

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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.