Home / 165,728.20-248,628.30-60,547

Finding the Fourth Proportional to 165,728.20, 248,628.30 and 60,547

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Solution

The fourth proportional to 165,728.20, 248,628.30 and 60,547 is: 90,833.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,728.20 : 248,628.30 = 60,547 : x
  2. Step 2: Convert to fraction form
    165,728.20/248,628.30 = 60,547/x
  3. Step 3: Cross multiply
    165,728.20x = 248,628.30 × 60,547
  4. Step 4: Simplify right side
    165,728.20x = 15,053,697,680.10
  5. Step 5: Solve for x
    x = 15,053,697,680.10/165,728.20
  6. Step 6: Final answer
    x = 90,833.65

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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.