Home / 165,650.40-248,475.60-155,808.90

Finding the Fourth Proportional to 165,650.40, 248,475.60 and 155,808.90

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Solution

The fourth proportional to 165,650.40, 248,475.60 and 155,808.90 is: 233,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,650.40 : 248,475.60 = 155,808.90 : x
  2. Step 2: Convert to fraction form
    165,650.40/248,475.60 = 155,808.90/x
  3. Step 3: Cross multiply
    165,650.40x = 248,475.60 × 155,808.90
  4. Step 4: Simplify right side
    165,650.40x = 38,714,709,912.84
  5. Step 5: Solve for x
    x = 38,714,709,912.84/165,650.40
  6. Step 6: Final answer
    x = 233,713.35

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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.