Home / 165,950.20-248,628.30-100,916.20

Finding the Fourth Proportional to 165,950.20, 248,628.30 and 100,916.20

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Solution

The fourth proportional to 165,950.20, 248,628.30 and 100,916.20 is: 151,193.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,950.20 : 248,628.30 = 100,916.20 : x
  2. Step 2: Convert to fraction form
    165,950.20/248,628.30 = 100,916.20/x
  3. Step 3: Cross multiply
    165,950.20x = 248,628.30 × 100,916.20
  4. Step 4: Simplify right side
    165,950.20x = 25,090,623,248.46
  5. Step 5: Solve for x
    x = 25,090,623,248.46/165,950.20
  6. Step 6: Final answer
    x = 151,193.69

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1.5x scale

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.