Home / 177,573.85-245,011.56-105,939.88

Finding the Fourth Proportional to 177,573.85, 245,011.56 and 105,939.88

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Solution

The fourth proportional to 177,573.85, 245,011.56 and 105,939.88 is: 146,172.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,573.85 : 245,011.56 = 105,939.88 : x
  2. Step 2: Convert to fraction form
    177,573.85/245,011.56 = 105,939.88/x
  3. Step 3: Cross multiply
    177,573.85x = 245,011.56 × 105,939.88
  4. Step 4: Simplify right side
    177,573.85x = 25,956,495,265.01
  5. Step 5: Solve for x
    x = 25,956,495,265.01/177,573.85
  6. Step 6: Final answer
    x = 146,172.96

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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.