Home / 153,845.20-230,832.60-83,774.80

Finding the Fourth Proportional to 153,845.20, 230,832.60 and 83,774.80

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Solution

The fourth proportional to 153,845.20, 230,832.60 and 83,774.80 is: 125,697.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,845.20 : 230,832.60 = 83,774.80 : x
  2. Step 2: Convert to fraction form
    153,845.20/230,832.60 = 83,774.80/x
  3. Step 3: Cross multiply
    153,845.20x = 230,832.60 × 83,774.80
  4. Step 4: Simplify right side
    153,845.20x = 19,337,954,898.48
  5. Step 5: Solve for x
    x = 19,337,954,898.48/153,845.20
  6. Step 6: Final answer
    x = 125,697.49

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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.