Home / 177,055.41-265,814.76-105,139.74

Finding the Fourth Proportional to 177,055.41, 265,814.76 and 105,139.74

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Solution

The fourth proportional to 177,055.41, 265,814.76 and 105,139.74 is: 157,847.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,055.41 : 265,814.76 = 105,139.74 : x
  2. Step 2: Convert to fraction form
    177,055.41/265,814.76 = 105,139.74/x
  3. Step 3: Cross multiply
    177,055.41x = 265,814.76 × 105,139.74
  4. Step 4: Simplify right side
    177,055.41x = 27,947,694,754.56
  5. Step 5: Solve for x
    x = 27,947,694,754.56/177,055.41
  6. Step 6: Final answer
    x = 157,847.17

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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.