Home / 153,508.56-230,196.96-53,638.80

Finding the Fourth Proportional to 153,508.56, 230,196.96 and 53,638.80

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Solution

The fourth proportional to 153,508.56, 230,196.96 and 53,638.80 is: 80,435.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,508.56 : 230,196.96 = 53,638.80 : x
  2. Step 2: Convert to fraction form
    153,508.56/230,196.96 = 53,638.80/x
  3. Step 3: Cross multiply
    153,508.56x = 230,196.96 × 53,638.80
  4. Step 4: Simplify right side
    153,508.56x = 12,347,488,698.05
  5. Step 5: Solve for x
    x = 12,347,488,698.05/153,508.56
  6. Step 6: Final answer
    x = 80,435.18

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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.