Home / 165,698.20-248,547.30-54,890.20

Finding the Fourth Proportional to 165,698.20, 248,547.30 and 54,890.20

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Solution

The fourth proportional to 165,698.20, 248,547.30 and 54,890.20 is: 82,335.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,698.20 : 248,547.30 = 54,890.20 : x
  2. Step 2: Convert to fraction form
    165,698.20/248,547.30 = 54,890.20/x
  3. Step 3: Cross multiply
    165,698.20x = 248,547.30 × 54,890.20
  4. Step 4: Simplify right side
    165,698.20x = 13,642,811,006.46
  5. Step 5: Solve for x
    x = 13,642,811,006.46/165,698.20
  6. Step 6: Final answer
    x = 82,335.30

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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.