Home / 165,340.90-248,014.23-47,015.38

Finding the Fourth Proportional to 165,340.90, 248,014.23 and 47,015.38

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Solution

The fourth proportional to 165,340.90, 248,014.23 and 47,015.38 is: 70,523.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,340.90 : 248,014.23 = 47,015.38 : x
  2. Step 2: Convert to fraction form
    165,340.90/248,014.23 = 47,015.38/x
  3. Step 3: Cross multiply
    165,340.90x = 248,014.23 × 47,015.38
  4. Step 4: Simplify right side
    165,340.90x = 11,660,483,268.86
  5. Step 5: Solve for x
    x = 11,660,483,268.86/165,340.90
  6. Step 6: Final answer
    x = 70,523.89

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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.