Home / 380,101.48-569,991.58-113,899.88

Finding the Fourth Proportional to 380,101.48, 569,991.58 and 113,899.88

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Solution

The fourth proportional to 380,101.48, 569,991.58 and 113,899.88 is: 170,801.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,101.48 : 569,991.58 = 113,899.88 : x
  2. Step 2: Convert to fraction form
    380,101.48/569,991.58 = 113,899.88/x
  3. Step 3: Cross multiply
    380,101.48x = 569,991.58 × 113,899.88
  4. Step 4: Simplify right side
    380,101.48x = 64,921,972,563.01
  5. Step 5: Solve for x
    x = 64,921,972,563.01/380,101.48
  6. Step 6: Final answer
    x = 170,801.68

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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.