Home / 177,659.85-245,056.02-105,984.57

Finding the Fourth Proportional to 177,659.85, 245,056.02 and 105,984.57

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Solution

The fourth proportional to 177,659.85, 245,056.02 and 105,984.57 is: 146,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,659.85 : 245,056.02 = 105,984.57 : x
  2. Step 2: Convert to fraction form
    177,659.85/245,056.02 = 105,984.57/x
  3. Step 3: Cross multiply
    177,659.85x = 245,056.02 × 105,984.57
  4. Step 4: Simplify right side
    177,659.85x = 25,972,156,905.61
  5. Step 5: Solve for x
    x = 25,972,156,905.61/177,659.85
  6. Step 6: Final answer
    x = 146,190.36

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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.