Home / 177,572.85-245,010.18-105,938.88

Finding the Fourth Proportional to 177,572.85, 245,010.18 and 105,938.88

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Solution

The fourth proportional to 177,572.85, 245,010.18 and 105,938.88 is: 146,171.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,572.85 : 245,010.18 = 105,938.88 : x
  2. Step 2: Convert to fraction form
    177,572.85/245,010.18 = 105,938.88/x
  3. Step 3: Cross multiply
    177,572.85x = 245,010.18 × 105,938.88
  4. Step 4: Simplify right side
    177,572.85x = 25,956,104,057.80
  5. Step 5: Solve for x
    x = 25,956,104,057.80/177,572.85
  6. Step 6: Final answer
    x = 146,171.58

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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.