Home / 165,521.07-248,282.15-45,579.69

Finding the Fourth Proportional to 165,521.07, 248,282.15 and 45,579.69

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Solution

The fourth proportional to 165,521.07, 248,282.15 and 45,579.69 is: 68,369.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,521.07 : 248,282.15 = 45,579.69 : x
  2. Step 2: Convert to fraction form
    165,521.07/248,282.15 = 45,579.69/x
  3. Step 3: Cross multiply
    165,521.07x = 248,282.15 × 45,579.69
  4. Step 4: Simplify right side
    165,521.07x = 11,316,623,201.64
  5. Step 5: Solve for x
    x = 11,316,623,201.64/165,521.07
  6. Step 6: Final answer
    x = 68,369.68

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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.