Home / 165,581.56-248,309.68-70,807.80

Finding the Fourth Proportional to 165,581.56, 248,309.68 and 70,807.80

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Solution

The fourth proportional to 165,581.56, 248,309.68 and 70,807.80 is: 106,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,581.56 : 248,309.68 = 70,807.80 : x
  2. Step 2: Convert to fraction form
    165,581.56/248,309.68 = 70,807.80/x
  3. Step 3: Cross multiply
    165,581.56x = 248,309.68 × 70,807.80
  4. Step 4: Simplify right side
    165,581.56x = 17,582,262,159.50
  5. Step 5: Solve for x
    x = 17,582,262,159.50/165,581.56
  6. Step 6: Final answer
    x = 106,184.90

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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.