Home / 177,275.19-265,763.63-82,457.20

Finding the Fourth Proportional to 177,275.19, 265,763.63 and 82,457.20

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Solution

The fourth proportional to 177,275.19, 265,763.63 and 82,457.20 is: 123,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,275.19 : 265,763.63 = 82,457.20 : x
  2. Step 2: Convert to fraction form
    177,275.19/265,763.63 = 82,457.20/x
  3. Step 3: Cross multiply
    177,275.19x = 265,763.63 × 82,457.20
  4. Step 4: Simplify right side
    177,275.19x = 21,914,124,791.64
  5. Step 5: Solve for x
    x = 21,914,124,791.64/177,275.19
  6. Step 6: Final answer
    x = 123,616.42

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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.